25 Super Cute Baby Halloween Costumes for Boys

Hey there, fellow Halloween enthusiasts! 🎃 Looking for the perfect costume for your little guy this spooky season?

Whether you want something adorably spooky or straight-up charming, I’ve got you covered with 25 super cute Halloween costume ideas for baby boys!

And, because we all know the ‘gram is life, I’ve even included some Insta-worthy captions to go along with each one. Let’s get into it!

1. Baby Batman

You don’t have to be a billionaire to suit up your little one as Gotham’s tiniest hero! Dress him up as Baby Batman, and get ready for some serious cuteness.

Rubie's Costume Baby's DC Comics Superhero Style Baby Batman Costume

Rubie’s Costume Baby’s DC Comics Superhero Style Baby Batman Costume
  • With Rubies baby costumes, even the youngest member of the family can join the fun
  • Officially licensed by DC Comics
  • 0 to 6 months fits up to 21 inches long, 6 to 12 months up to 22 inches
DC Comics Justice League Batman Superman The Flash Baby Bodysuit and Cape Newborn to Infant
  • Officially licensed DC Comics Justice League newborn and infant cute and stylish short sleeve bodysuit and cute and stylish cape
  • Featuring the Dark Knight superhero Batman iconic symbol on the adorable caped bodysuit with utility belt art and piping details
  • Clothes for babies 0-24 months with stylish and playful character designs; Creeper and cape with a comfortable fit that is easy to dress your little one in

Insta Captions:

“This city needs a hero, and I found one! 🦇 #BabyBatman”

“Na na na na na na na na… BAT-BABY! 🖤”

“The caped crusader in a diaper. 💥”

2. Baby Frankenstein

Spooky season means monsters galore, but your little Frankenstein will be more cute than creepy in this classic costume!

InCharacter Costumes, LLC Monster-Boo
InCharacter Costumes, LLC Monster-Boo
  • Hood with plush tuft, graphic scar and attached vinyl bolts, jumpsuit with attached tattered vest and snaps for easy diaper change
  • Hood with plush tuft, graphic scar and attached vinyl bolts, jumpsuit with attached tattered vest and snaps for easy diaper change
Baby Boy’s Halloween Frankenstein Classic Little Monster Clothes Pants With Hat (0-3 Months)
  • Exquisite Workmanship and Soft Fabric, Perfect Combination and Quality Assurance.
  • Great Idea to Give As a Gift or Suitable for Halloween Party, Photography Shoots, Outdoor Activities.
  • Classic Halloween Characters To Make Your Baby More Eye-Catching

Insta Captions:

“He’s got the cutest monster moves! 🧟‍♂️ #BabyFrankenstein”

“This little monster’s electricity bill is off the charts! ⚡️”

“Tiny, spooky, and oh-so-sweet!”

3. Pumpkin Patch Cutie

If you’re into keeping things simple yet festive, you can’t go wrong with a pumpkin costume. Plus, is there anything cuter than a baby dressed as a pumpkin?

EOZY Halloween Pumpkin Costume for Baby Toddler Boys Party Cosplay Clothes
EOZY Halloween Pumpkin Costume for Baby Toddler Boys Party Cosplay Clothes
  • Pumpkin Babys Costume Deluxe Costume Set, Material: 100% Polyester
  • Super cute halloween pumpkin costume, dress up your little baby like a pumpkin
  • Infant Toddler Halloween Costume Set: 3 Pieces Total Pumpkin Costume Suit includes Baby Pumpkin Onesies and Pumpkin Hat and Shoe Cover
JIFRE Cute Baby Halloween Pumpkin Costume, Toddler Halloween Costumes, Infant Halloween Costumes for Boys Girls
  • 🎃【Package】: 1*Baby pumpkin with clothes.
  • 🎃【Hign Quality Materials】: Unisex Orange. The Halloween Costume is made of high quality cotton materials, super light, breathable, comfortable, soft and easy to dry, Super Durable, Superior Quality. well fits for kids.
  • 🎃【Multiple Occasions】: This Kid’s Halloween Pumpkin Costume is suitable for Halloween parties, masquerade parties, theme parties, role-playing, friend parties, school parties, carnival celebrations, etc. Let your child be the highlight in the crowd.

Insta Captions:

“Picked this little pumpkin straight from the patch! 🎃”

See also  Best Halloween Treats for Babies (Fun and Healthy!)

“Ready to light up your Halloween with cuteness! 🌟”

“Officially the cutest pumpkin in the patch. #LittlePumpkin”

4. Mini Mummy

For a fun DIY option, wrap your baby up like the cutest mummy ever! Just don’t forget to leave plenty of space for snacks and giggles.

JIFRE Cute Baby Halloween Pumpkin Costume, Toddler Halloween Costumes, Infant Halloween Costumes for Boys Girls

Insta Captions:

“Wrapped up in love and ready to spook! 👻”

“This little mummy steals hearts, not souls! 💀”

“Who knew mummies could be this cute?!”

5. Tiny T-Rex

Rawr! Unleash your baby’s inner dinosaur with a T-Rex costume. The fiercer the roar, the cuter they look!

Infant T-Rex Costume Unisex, Cute Cuddly Green Dinosaur Halloween One-Piece with Tail
Infant T-Rex Costume Unisex, Cute Cuddly Green Dinosaur Halloween One-Piece with Tail
  • COSTUME INCLUDES: This T-Rex dinosaur costume for toddlers features an amazing corduroy T-Rex bodysuit! The suit features a plush dinosaur tail and fleece spikes on the back and attached dinosaur mitts. The matching T-Rex headpiece has a plush dinosaur snout complete with teeth, eyes, and more spikes. The outfit also includes matching dinosaur booties.
  • FROM FUN COSTUMES: Dinosaur costumes are always a popular kids costume choice for Halloween, so we were sure to craft this cozy T-Rex kid’s costume with special care and extra attention to detail. We’re dedicated to the best costume experience, and we’re sure your infant will be the comfiest dinosaur ever to roar with this outfit!
  • DETAILS THAT MATTER: Your infant will love looking like a fierce dinosaur with this corduroy dinosaur outfit, and you’ll love the costume’s instaworthy design! It features warm and cozy corduroy fabric construction and a zipper in back for a great fit. And the dinosaur hood headpiece has a picture perfect T-Rex face to complete the look!
Infant Hatching Dinosaur Costume for Babies, Dino Egg Outfit with Velour Fabric – Perfect Jurassic Dinosaurs Halloween.
  • 100% polyester velour fabric
  • Jumpsuit has diagonal off-center front opening that closes with hook and loop fastener
  • Snaps along inseams for diaper access

Insta Captions:

“Rawr! 🦖 This T-Rex is ready for his Halloween debut!”

“Don’t let the roar fool you, he’s a sweetheart inside! 🦕”

“Tiny arms, big heart. 💚 #DinoBaby”

6. Little Lion

Turn your baby into the king of the jungle with a lion costume that’s equal parts cozy and adorable.

Infant Lion Onesie Costume, Baby Hooded Lion Costume with Yarn Mane and Tail Details, Attached Mitts and Booties
Infant Lion Onesie Costume, Baby Hooded Lion Costume with Yarn Mane and Tail Details, Attached Mitts and Booties
  • COSTUME INCLUDES: This lion costume for infants includes a hooded lion onesie with attached mitts and booties.
  • FROM FUN COSTUMES: We’re big into Halloween costumes and we just love crafting cute animal costumes for kids of all ages! If you want to dress your little one up as an adorable little lion for Halloween you will love our lion onesie infant costume.
  • GREAT DESIGN: This lion costume for infants and newborns features great details like a playful yarn mane and soft-sculpted ears on the hood. Appliqued paw pads and an adorable yarn tipped tail add even more detail to help make your kiddo a cute little lion!
Cozy Lion Costume for Infants
  • SOFT FLEECE: Made from 100% polyester microfiber fleece for a feathery look
  • HOODED JUMPSUIT: Features a sculpted bill and embroidered eyes on the hood
  • SHELL PIECES: Foam-backed head and body shell pieces attach with hook & loop fasteners

Insta Captions:

“Hear me roar! 🦁 King of the playroom.”

See also  Best Halloween Treats for Babies (Fun and Healthy!)

“This little lion has my heart. 💛 #BabyLion”

“Paws-itively adorable in his Halloween costume!”

7. Superman

Every baby boy has the superpower of cuteness! Dress yours as Superman and watch him “fly” into everyone’s hearts.

Rubie's Baby's DC Comics Superman Costume
Rubie’s Baby’s DC Comics Superhero Style Baby Superman Costume
  • With Rubies baby costumes, even the youngest member of the family can join the fun
  • Officially licensed by DC Comics
  • 0 to 6 months fits up to 21 inches long, 6 to 12 months up to 22 inches

Insta Captions:

“Not all heroes wear capes… but this one does! 🦸‍♂️”

“Up, up, and away! #SuperBaby 🦸‍♂️”

“Superpowers: Maximum Cuteness and Drool Control!”

8. Baby Pirate

Ahoy, matey! Your little pirate is ready to sail the high seas in search of Halloween candy and smiles. Arrrgh!

Pee Wee Pirate Infant Costume
Pee Wee Pirate Infant Costume
  • 100% polyester
  • Shirt/vest combo fastens w/ Hook and Loop fastener at back of neck
  • Pants have elastic waist, jagged hemline, printed patches on one knee
Infant Pirate Costume for Halloween – Boy’s Peg-Legged Bandit Outfit – Ideal for Imaginative Play and Dress-Ups
  • Swashbuckling Charm: Your infant will radiate swashbuckling charm in this adorable Pirate Costume, perfect for Halloween adventures and imaginative play. Transform them into the cutest pirate on the high seas with authentic peg-legged detailing and a headscarf fit for a little captain of the neighborhood.
  • Cozy Pirate Comfort: Crafted with infant-friendly comfort in mind, this Halloween costume ensures your little buccaneer can conquer the living room seas with unrestricted freedom. Let them explore boundless imagination in soft, breathable materials designed for cozy and seamless playtime adventures.
  • Pirate Adventures Await: Dive into a world of pirate adventures with this complete Peg-Legged Pirate Costume, sparking imaginative play and uncharted territories right at home. Watch as your infant navigates their way through couch islands and engages in epic toy battles, creating treasured memories of Halloween fun.

Insta Captions:

“Aye aye, captain! 🏴‍☠️ Ready for Halloween adventures!”

“This little pirate’s treasure is endless cuddles. 💰”

“Argghh you ready for some cuteness overload?!”

9. Tiny Dragon

Who says dragons have to be fierce? Your little one will be a fire-breathing ball of love in this adorable dragon costume!

InCharacter Baby Dinky Dragon Costume
InCharacter Baby Dinky Dragon Costume
  • Lined zippered jumpsuit with snap leg closures for easy diaper change
  • Slip-on booties with skid resistant bottoms (booties for indoor use only), character hood with snap/velcro closure.
  • Caution-Not to be used as sleepwear. Entanglement Hazard. Adult supervision is recommended. Booties are for indoor use only

Insta Captions:

“This dragon might breathe fire, but it’s all love in here! 🐉”

See also  Best Halloween Treats for Babies (Fun and Healthy!)

“Fierce, but in the most adorable way possible! 🐲”

“Ready to fly into your heart this Halloween! 💚”

10. Baby Shark

You didn’t think we’d forget Baby Shark, did you? Do-do-do your way to Halloween greatness with this fin-tastic costume.

TRURENDI Toddler Baby Animal Costume Cute Halloween Costume for Baby Halloween Cosplay Costume Kids Animal Outfit
TRURENDI Toddler Baby Animal Costume Cute Halloween Costume for Baby Halloween Cosplay Costume Kids Animal Outfit
  • Material: Halloween baby lion costume,funny nimal costume cosplay made of premium grade short plush. Soft and skin-friendly. Keep you baby stay warm and comfortable
  • Feature:Baby Halloween cosplay animal costume, Long sleeve, round neck, zip closure. With animal hood and non-slip shoe covers. Easy to put on and take off
  • Design: Classic color makes this baby animal costume set look deluxe and fascinating. Perfect for snapping memorable pictures

Insta Captions:

“Do-do-do, Baby Shark coming through! 🦈”

“Fin-tastic costume for a fin-tastic baby! 💙”

“This little shark is swimming in cuteness.”

11. Astronaut

Got a baby who’s destined for the stars? This astronaut costume will send your little one into outer space—well, at least in the imagination!

Space Astronaut Infant Costume - Jumpsuit, Patches, Snaps - Unisex Sci-Fi Outfit
Space Astronaut Infant Costume – Jumpsuit, Patches, Snaps – Unisex Sci-Fi Outfit
  • Blast off into outer space with this adorable Infant Space Astronaut Costume!
  • Explore the galaxy with confidence in this high-quality, officially licensed costume.
  • Made from super-soft polyester microfiber fleece, ensuring your little one stays comfy and cozy.

Insta Captions:

“Houston, we have a cutie! 👨‍🚀 #BabyAstronaut”

“Exploring galaxies of giggles this Halloween. 🌌”

“This little space explorer is out of this world! 🌠”

12. Mickey Mouse

Oh boy! It’s time for your baby to dress as everyone’s favorite mouse. Whether your baby loves to crawl or toddle, they’ll look absolutely magical as Mickey!

Party City Classic Mickey Mouse Halloween Costume for Toddlers
Disguise baby-boys Mickey Mouse Baby Costume, Official Disney Mickey Mouse Costume Onesie and Ears, Infant Size
  • SOCKS NOT INCLUDED – Includes onesie and ears only.
  • OFFICIALLY LICENSED MICKEY BABY COSTUME – Baby costume outfit so your little one can be the cutest mouse in the house!
  • INFANT MICKEY MOUSE COSTUME – Features a black jersey jumpsuit with attached velvet Mickey shorts and an embroidered tail at the back

Insta Captions:

“Oh boy! It’s Mickey Mouse time! 🐭”

“Ready for some magical moments this Halloween! ✨”

“Ears, smiles, and Halloween vibes! 🎃”

13. Baby Ghost

Simple yet classic, a baby ghost costume is equal parts spooky and sweet. Just toss a mini white sheet (with eyeholes!) on your little one, and they’re ready to ‘boo!’ their way into your heart.

Underwraps Toddler's Halloween Ghost Belly Babies Costume
Guodeunh Baby Girl Boy Halloween Outfits Ghost Costumes Long Sleeve Hoodie Jumpsuit One Piece Romper Fall Winter Bodysuit
  • Material:High quality cotton blend.baby halloween costumes,baby ghost costumes,baby halloween outfit,soft and breathable,warm,skin-friendly,comfortable to wear,so cute!
  • Design:One-piece Halloween romper baby outfits, long sleeve romper fall winter plush jumpsuit, ghost bodysuit hoodie jumpsuit, plush design, ghost romper super perfect for this Halloween.baby girl boy halloween jumpsuit,fall winter outfits,one piece baby halloween bodysuit hoodie,baby will love it.
  • Size:One-piece ghost onesie baby Halloween outfits, fit for 0-3Months,3-6Months,6-9 Months,9-12 Months, adorable baby fall winter bodysuit for Halloween, twins matching outfits, best for family gatherings for holiday or halloween party.,the best Halloween gift for baby.
FYBITBO My First Halloween Baby Boy Girl Outfit Hey Boo Pumpkin Jumpsuit Romper Newborn Halloween Onesie Clothes
  • Material: Made of high quality 95% Cotton, 5% Elastane. Soft and breathable. comfortable to wear, harmless and tender to babies skin
  • Features: Cutest design ” Hey Boo/ Pumpkin ” embroidery long sleeve jumpsuit rompers halloween baby clothes, adorable halloween baby outfit, halloween baby boy girl outfit, newborn boy girl halloween outfit, infant halloween outfit, unisex newborn baby boy girl clothes fall halloween outfit, my first halloween baby boy girl outfit
  • Size: Suitable for halloween newborn baby boys and girls clothes 0-3 month 3-6 month 6-9 month 9-12 month 12-18 month; Super cute newborn halloween clothes, infant halloween clothes, baby boy girl halloween clothes, newborn halloween outfit, infant halloween outfit, baby boy girl halloween outfit, unisex my first halloween baby outfit

Insta Captions:

“Boo! 👻 Or should I say boo-tiful?!”

“Casper, but cuter! #LittleGhost”

“The cutest little spook in town! 👻”

14. Baby Bee

Your little one will be buzzing with excitement in this adorable bee costume! It’s a great option for staying cozy and cute while trick-or-treating.

Dress Up America Bee Costume - Baby Fuzzy Bumblebee Costume - Halloween Outfit for Toddlers
Dress Up America Bee Costume – Baby Fuzzy Bumblebee Costume – Halloween Outfit for Toddlers
  • Buzz, Buzz, Busy Bee – The bee costume set comes with a tunic and hood. The adorable set is perfect for your baby’s dress ups, parties, and Halloween costume. (The tights is not included in the set.)
  • Honey Bee – The bee outfit comes with black and yellow stripes and adorable yellow mesh wings are attached to the back of the costume. A hook and loop closure is on the back for easy on and off. The costume features snaps for easy diaper change.
  • Perfect Gift For Kids – The costume is comfortable, adorable, and durable. The perfect gift for any occasion you see fit. With the cute antennas and wings attached, this costume becomes unforgettable.
Dressy Daisy Newborn Infant Baby Honey Bee Onesie Romper Costume Bodysuit Set with Wings, Socks and Hat Size 0 to 12 Months
  • Super cute honey bee onesie romper costume dress up for newborn or infant baby! An easy one piece bodysuit for all-day cozy and comfy wear!
  • Short sleeve cotton bumble bee outfit in contrasting black and yellow color. Featuring an adorable cute wings with velcro tape stick at back. Comes with a pair of socks, and a bonnet hat with lovely bee tentacles for a cute look!
  • This baby jumpsuit is made of Cotton 95% and Spandex 5%. Soft, stretchable, and comfortable. Snap button closure at crotch for easy dressing and diaper changing. No zip. Machine washable.
Pudcoco Toddler Baby Boys Girls Halloween Bee Costume Cartoon Animal Fuzzy Hooded Zipper Romper Jumpsuit Cosplay
  • Material: This baby Halloween bee costume is crafted in soft flannel material,well made great quality and super cute. It would definitely help keep your little one warm on a chilly night.
  • Design:Features zipper closure and 3D hood design, double zipper from top and bottom, it goes all the way to the back for easy diaper changing.The hat is not only cute,soft and warm,but also protects the baby’s head.
  • Sizes: Baby boy girls Halloween costumes,bee toddler Halloween costume ,suitable for infant halloween costumes 6-12 months,baby boy girl halloween costume 12-18 months,18-24 months baby costume,2-3t toddler costume,3-4t little kids costume,4-5 boys girls costume

Insta Captions:

“Buzzing around in my Halloween best! 🐝”

“The sweetest bee in the whole hive. 🍯”

“Bee-lieve it or not, I’m this cute! 💛”

15. Football Star

Got a little sports fan on your hands? A football costume is a touchdown of cuteness, especially for families who love the game.

Ayalinggo Baby Football Outfit Toddler Boy Girl Game Day Onesie Bubble Sweatshirt Romper Infant Fall Winter Clothes
Ayalinggo Baby Football Outfit Toddler Boy Girl Game Day Onesie Bubble Sweatshirt Romper Infant Fall Winter Clothes
  • Material— Baby football sweatshirt romper made of high-quality cotton fabric, super soft and breathable, friendly to your baby’s skin, cute baby boy football outfit
  • Features— Baby girl bubble romper, on sundays we watch football with daddy, sweatshirt romper baby girl, pearl snap onesie, baby girl long sleeve onesie, oversized sweater, baby football clothes
  • Size— Baby fall winter sweatshirt outfit suitable for newborn infant and toddler, newborn football romper 0-3 months, long sleeve onesies 0-6 months, football onesie for baby girl 6-12 months, infant football outfit 12-18 months, baby football costume 18-24 months, 2t football outfit
Mubineo Baby Boy Clothes Football Outfits Long Sleeve Romper Pant Set Infant Fall Winter Newborn Outfit
  • Material: Cotton Blend, Soft and Comfortable
  • Crew Neck, Long Sleeve Football Print Rompers Bodysuits Tops, Elastic Waistband, Brown and White Striped Pants, Infant Newborn Baby Boys Fashion Football Outfits with Hat 3 Piece Fall Winter Clothes
  • Color: Brown; Season: Spring, Summer, Fall, Winter

Insta Captions:

“Ready for the touchdown… of cuteness! 🏈”

“Game face on, diapers ready! #BabyFootball”

“Football’s tiniest and most adorable player. 🏈”

16. Baby Skeleton

Perfect for a spooky but fun look, this baby skeleton costume will rattle everyone’s bones with cuteness.

Spooktacular Creations Baby Unisex Skeleton Costume with Black Hat for Kids Toddler Halooween Dress Up Party
Spooktacular Creations Baby Unisex Skeleton Costume with Black Hat for Kids Toddler Halooween Dress Up Party
  • CUTE AND CREEPY COSTUME. Our Kids Skeleton Sweatsuit includes 3 pieces costume set with a skeleton beanie, a skeleton suit and a pair of booties.
  • SUPER REALISTIC AND DETAILED DESIGN. This Skeleton jumpsuit for Kids will give your kids that awesome cute and creepy vibes this Halloween with its extremely detailed design and superb quality that is super easy for diaper change.
  • ENDLESS FUN. Baby Bones Adorable Skeleton Romper for baby boys or girls, great for Halloween party, casual, Daily, playing, party or photoshoot.
bakjuno Newborn Baby Boys Skeleton Halloween Skull Romper with Hat
  • Printed with interesting colorful skull bones, funny and adorable romper for baby boy or girls, It will be the Most special costume in Halloween
  • Suitable for halloween costume party, daily life wear and playing outside,perfect for memorable photography shoots
  • We use the high quality material , comfortable breathable for wearing,not irriating to baby tender skin.
WASAIGOOD Newborn Halloween Romper Baby Girl Boy Skeleton Jumpsuit Long Sleeve O-Neck Halloween One-Piece Outfit
  • [Material]: newborn Baby Halloween romper jumpsuit,made of cotton fabric,softy and comfortable,skin-friendly and cozy.Halloween one piece clothes unisex baby.
  • [Design]: Cute unisex baby girl boy Halloween jumpsuit. long sleeve one piece pants romper overalls with funny skeleton print. Full of Halloween element!your little one will be more adorable and unique in Halloween day.
  • [Size]: Skeleton Halloween cosplay Costume Size from newborn to 2 Years Old.Halloween jumpsuit for newborn infant baby,fit for newborn 0-3 months,infant baby 3-6 months 6-12 months baby Halloween Skeleton romper,12-18 months 18-24 month toddler kids Halloween one piece outfits.baby sister/brothers matching outfits.

Insta Captions:

“Creepin’ it real this Halloween! 💀”

“Just a lil’ bag of bones and cuteness! #BabySkeleton”

“This tiny skeleton is all smiles. 🦴”

17. Buzz Lightyear

“To infinity and beyond!” Your baby can dress up as Buzz Lightyear and become the tiniest space ranger ready to save the galaxy—or at least get a few extra cuddles.

Disney Buzz Lightyear Costume for Baby - Toy Story 18-24 Months
Sale
Disney Pixar Toy Story Buzz Lightyear Newborn Baby Boys Cosplay Bodysuit and Hat Set 3-6 Months
  • Officially licensed Disney Pixar Toy Story newborn and infant short sleeve bodysuit and cute and stylish cap
  • Lap shoulders for easy dressing and quick diaper changes; 3-snap closure for quick and easy diaper changes; Dress-up cosplay design; Awesome screen print design; Bodysuit with rib knit binding
  • Clothes for babies 0-24 months with stylish and playful character designs; creeper and hat set with a comfortable fit that is easy to dress your little one in

Insta Captions:

“To infinity, and beyond! 🚀 #BuzzBaby”

“This little space ranger is ready for action! 👾”

“Buzzing into your hearts this Halloween!”

18. Cowboy

Saddle up, partner! Whether you’re heading to the wild west or just a Halloween party, a cowboy costume will make your little one the cutest wrangler in town.

InCharacter Wee Wrangler Infant/Toddler Costume, Large (18-2T) Blue/Brown

InCharacter Wee Wrangler Infant/Toddler Costume, Large (18-2T) Blue/Brown
  • Cowboy hat; Fringed jumpsuit with printed vest and attached booties with skid resistant feet; Snaps for easy diaper change
  • Large (18-2T)
  • Blue/Brown
MK MATT KEELY Leather Western Boots Cowboy Bootie Soft Sole Non-Slip Crib Shoes for Baby Infant Toddler Girls Boys Newborn
  • Unique Design: Soft Sole Western Cowboy Bootie Crib Shoes for Newborns and Infants, cute booties with Western pattern, ensuring a touch of western charm for the little ones
  • Easy ON & OFF: Lightweight leather keeps baby’s feet breathable and comfortable,Velcro closure makes the boot easy to put on
  • Non-Slip: These booties for baby feature soft Anti-Slip sole for maximum comfort and grip, adapting to any indoor outdoor surface

Insta Captions:

“Yeehaw! This cowboy’s ready for a wild Halloween! 🤠”

“Riding into town on a horse named Cuteness! 🐴”

“This town ain’t big enough for this much adorable!”

19. Baby Olaf

If your baby loves “Frozen,” dressing them up as Olaf the snowman will melt hearts this Halloween. Plus, it’s a cozy costume for chilly weather!

Infant Frozen Olaf Premium Costume 12 Months
Infant Frozen Olaf Premium Costume 12 Months
  • Size: 12 Months
  • 100% polyester, sherpa fleece costume
  • Tunic piece has fiberfill for plump look around the bottom
MINIFEIKO Christmas Baby Snowman Outfit Infant Boys And Girls Xmas Long Sleeve One Piece Velvet Hooded Romper Jumpsuit Clothes(Snowman,3-6 Months)
  • ❄High grade velvet fabric, soft and delicate touching, super warm. Keep your little one warm all winter long.
  • ❄We hope that your little ones will be happy every day wearing this snowman jumpsuit.This long sleeve christmas romper with snowman face hat is really cute and you can touch the vivid 3D carrot nose on the hat.There are some snaps from the neckline to the crotch, which are convenient for parents to help your little snowman put on and take off.
  • ❄This Christmas baby jumpsuit is available in sizes 0-3 months, 3-6 months, 6-12 months, 12-18 months.Please check our size chart for reference before buying.

Insta Captions:

“Do you wanna build a snowman? ☃️”

“Chillin’ with Olaf this Halloween! ❄️”

“Cool as ice, sweet as sugar! #BabyOlaf”

20. Baby Dinosaur

Who doesn’t love a little roar in their life? Your baby can become a mini dinosaur this Halloween, stomping around in prehistoric levels of cuteness.

Noubeau Interesting Infant Baby Kids Cartoon Dinosaur Hooded Romper Jumpsuit Layette Sets Clothes
Noubeau Interesting Infant Baby Kids Cartoon Dinosaur Hooded Romper Jumpsuit Layette Sets Clothes
  • Dinosaur Onesie Baby Design:Cute Cartoon Dinosaur Design,Hoodie,Long Sleeve,One-piece. Make Your Little Baby So Adorable Newborn baby boy girl dinosaur hoodie romper outfit,Our infant halloween costume protective zipper panel and this dino onesie pocket keeps zipper away from baby’s skin, This dinosaur costume infant zipper was extended to the leg opening for easier diapering and wearing. Newborn baby dinosaur outfit, Infant baby dinosaur outfit baby boy girl dinosaur jumpsuit outfits
  • Material: Dinosaur baby girl boy clothes made of Cotton Blend, soft and skin-friendly, warm and cute baby sweatshirt halloween onesie make your little one have a fun Halloween Day!
  • IDEAL GIFT FOR BABIES: This is really eye-catching when your little baby wearing this little Halloween clothing. This unisex romper is not only fit for daily dress but also perfect for many special occasions, such as Halloween party, Halloween celebration, photo shoot, Halloween themed party, cosplay, babies’ Halloween gifts and so on!
Fun Costumes Infant Hatching Triceratops Dinosaur Egg – 12/18mo
  • 100% polyester velour fabric
  • Jumpsuit has back zipper
  • Metal snaps for easy diaper access

Insta Captions:

“Dino-mite and ready for Halloween fun! 🦕”

“Rawring into your hearts with cuteness! 🦖”

“Prehistoric levels of adorable! #LittleDino”

21. Harry Potter

Wingardium Leviosa! For all the Harry Potter fans out there, this baby Harry Potter costume is pure magic. Don’t forget the tiny glasses and lightning bolt scar!

Disguise Harry Potter Infant Costume, Official Harry Potter Outfit for Babies
Disguise Harry Potter Infant Costume, Official Harry Potter Outfit for Babies
  • ADORABLE BABY HARRY POTTER COSTUME – Dress your little one as the boy who lived with this charming Harry Potter infant costume, perfect for Halloween or playtime
  • INFANT HARRY POTTER COSTUME FOR YOUR TINY WIZARD – Give your baby the gift of magic with this officially licensed Harry Potter outfit, featuring a soft robe and Gryffindor tie
  • HARRY POTTER OUTFIT FOR YOUR LITTLE MUGGLE – Turn your child into a wizard with this cute and comfortable Harry Potter costume, perfect for little ones who are still learning to walk
Harry Potter Hedwig Owl Baby Zip Up Costume Coverall Newborn to Infant
  • Officially licensed Harry Potter Warner Bros. newborn and infant cute and stylish long sleeve one-piece coverall
  • Dress-up costume design; Sleeve cuffs for a better fit; Zip up front for easy dressing; Ankle cuffs for a better fit
  • Clothes for babies 0-24 months with stylish and playful character designs; one-piece coveralls with a comfortable fit that are easy to dress your little one in

Insta Captions:

“Accio cuteness! 🧙‍♂️ #BabyHarryPotter”

“Wingardium Leviosa-ing my heart! ❤️”

“A little magic goes a long way this Halloween!”

22. Baby Spiderman

Your baby will be the cutest web-slinger on the block in a mini Spiderman costume. Bonus points if they love crawling—just like Spidey!

Marvel Spider-Man Official Infant Deluxe Costume - Premium Quality Minky Fabric and Non-Slip Grip Booties
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Marvel Infant Baby Boys 3 Piece Outfit Set: Bodysuit Pants Hat Spider-Man 18 Months
  • 100% Cotton
  • Officially licensed Marvel Comics infant boys 3 piece mix n’ match clothing set: cute and stylish short sleeve bodysuit, pants, and cap
  • Awesome Marvel Avengers superhero print featuring Spider-Man

Insta Captions:

“Just your friendly neighborhood Spidey baby! 🕷”

“Crawling into your heart, one web at a time! 🕸️”

“Spider-baby, spider-baby, does whatever a spider can!”

23. Firefighter

Put out the cuteness alarm! Your little one will be ready to save the day in a firefighter costume, complete with a tiny helmet and jacket.

Spooktacular Creations Halloween Baby Mini Firefighter Costume, Toddler Fireman Costume Unisex for Boys and Girls Halloween Event School, Dress Up Party (12-18 months)
Spooktacular Creations Halloween Baby Mini Firefighter Costume, Toddler Fireman Costume Unisex for Boys and Girls Halloween Event School, Dress Up Party (12-18 months)
  • SUPER VALUE PACK. Our firemen costume for kids is suitable for children to make fun, crazy, and unique Halloween role-playing games. Presenting the Spooktacular Mini Firefighter Costume Deluxe Set for Infant. Includes a Red Fire Hat and a Blue and Khaki Firefighter Jumpsuit.
  • PREMIUM QUALITY. Our baby fireman costume is Super Durable and made with Higher Quality. The material is made out of 100% Polyester. This is very comfortable to wear and very easy for a diaper change. Your baby will surely love wearing this Colorful set. Let your baby wear this Mini Firefighter costume set and have a party with cuteness overload!
  • HALLOWEEN MUST HAVE. If your little boy or girl wants to be a firefighter one day, this firefighter costume will give them the confidence they need to imagine the first steps and learn how to be a good firefighter.
COSLAND Baby Firefighter Costume Infant Boys Halloween Outfit, Red, 0-3 Months
  • Baby firefighter outfit is made of cotton, soft and comfortable
  • Cute pattern of fireman elements adds charm to the baby. It comes with a matching hat to complete the look that can be a firefighter baby
  • Expandable lap-shoulder neckline is designed to wear easily, and the snap closures of the crotch of the infant firefighter bodysuit are designed to facilitate diaper changes. The design of elastic waist pants makes it easy for baby to put on and take off

Insta Captions:

“Sound the alarm! This baby’s too cute to handle! 🚒”

“Rescuing Halloween one cuddle at a time! 🔥”

“This tiny firefighter’s here to save the day! 🚨”

24. Baby Chef

This little chef is cooking up something adorable this Halloween. With a chef hat and apron, your baby will be ready to whip up some smiles.

Fun Costumes Infant Sweet Chef Costume - 12/18mo
Fun Costumes Infant Sweet Chef Costume – 12/18mo
  • Shirt: 99% polyester, 1% cotton, pants: 100% polyester
  • White poplin shirt has gingham cuffs, black piping on front edge
  • Shirt has hook and loop fastener down the front, printed graphics
LENSOUS Paddy Field Baby Girls Boys Chef Costume Bodysuit (Chef, 3-6 months)
  • A perfect birthday gift for your baby ever
  • Includes a funny bodysuit and a cute hat
  • Super cute baby bodysuit for photo prop, birthday party or any special occasions

Insta Captions:

“Whipping up some cuteness in the kitchen this Halloween! 🍳”

“This little chef’s recipe is 100% adorable! 👨‍🍳”

“Serving up sweet looks and baby giggles! 👩‍🍳”

25. Baby Monster

He may be dressed like a monster, but your baby will still be the sweetest creature at the party! Fangs, fur, and all the feels.

Rubie's Blue Monster Baby Infant Costume Dress Up Halloween (Multicolor, 6-12 Months)
Rubie’s Blue Monster Baby Infant Costume Dress Up Halloween (Multicolor, 6-12 Months)
  • This silly plush Infant Blue Monster Halloween Costume jumpsuit and headpiece is loaded with details that will make your little one stand out from the crowd. Rich vibrant colors, 3 dimensional eyes and horns as well as felt fangs and toenails, no detail is spared.
  • Great for Halloween, parties, dressing up, or a very adorable baby photoshoot!
  • INCLUDES: Jumpsuit, Headpiece, 3D Horns, and Eyes

Insta Captions:

“Our little monster is cuter than spooky! 👻💚

“Warning: Cuteness overload! This monster is here to steal hearts, not screams! 🐾

“Rawr means ‘I love you’ in monster! 🧡💚 #LittleMonster”

Have Fun Choosing Your Baby Boy Halloween Costume!

These baby boy Halloween costume ideas are all about turning your little man into the star of Halloween.

Whether he’s saving the day as Batman, stealing hearts as a pirate, or giving you dino-mite smiles as a T-Rex, the most important thing is he’ll be having the time of his life in his adorable little outfit.