43 Best Baby Halloween Costumes for Spooky Season

Baby will look sweeter than honey in this classic newborn Halloween costume. The Winnie the Pooh bodysuit comes with a matching hat complete with bear ears. Better yet, this versatile onesie can be worn throughout the season.

'Tis the season for pumpkin spice lattes! Celebrate the seasonal drink by dressing your little one up in a coffee cup-inspired onesie. The finishing touch? A soft “cardboard” band that can be tied around baby’s belly. A cute hat complete with a signature green straw and white pants are also available with this newborn Halloween costume, so that baby stays warm and comfy.

Searching for a spooky newborn Halloween costume? We adore this pick from Carter’s! The onesie features long sleeves, overlapped shoulders and a playful design—what’s not to love? Plus, did we mention it’s only $11?

Twinning! If you’re searching for ideas for twin baby Halloween costumes, there’s no better pairing than ketchup and mustard onesies.

Boo! Baby will be the cutest monster on the block this spooky season thanks to this Monsters, Inc newborn Halloween costume. The scale-printed onesie even snaps at the back and inside the legs for your convenience and baby’s comfort. Finish off this infant Halloween costume with the coordinating too-cute hat!

Next up on our list of the best infant Halloween costumes: This ramen outfit. Complete with yarn for noodles, this pick is just too yummy. No wonder it says "cute noodles" on the onesie.

Your little monster will be extra cozy in this newborn Halloween costume. Available in pink or blue, the onesie’s built-in hood is topped with plush horns and teeth, and soft spikes line the arms. Better yet, this baby Halloween outfit comes in an array of sizes for all ages, making it perfect for a spooktacular family Halloween costume.

Your little one probably isn’t swimming yet, but they’ll look the part of a cute clownfish in this footie and hat set. The bodysuit features an envelope neckline and snaps on the legs for easy dressing and quick diaper changes. And, of course, this newborn Halloween costume features Nemo’s lucky fin.

On the hunt for a unique newborn Halloween costume? This high-quality, hand-knitted romper and hat outfit is sure to check all of the boxes on your list. The super-cuddly infant Halloween costume can even be used for ultra-cute photoshoots with your newborn.

Spotted: A newborn Halloween costume that’s sure to stand out from the crowd. Fans of boba tea and cute baby Halloween costumes alike will love this outfit. The set comes with a high-quality screen-printed cotton onesie and a hat to boot. And while a newborn will look tea-riffic in this costume, you can also scoop one up for an older baby or toddler.

You can't celebrate Halloween without a few good pumpkins around. A pumpkin baby Halloween costume is a classic and cute choice—and we can't resist this jack-o’lantern-themed bunting!

Mermaids are a Halloween staple. Ride the wave with this sweet baby Halloween outfit, featuring an adorable aquatic color palette. It’s one of the best baby Halloween costumes for newborns (they won’t be doing much crawling in this tail, after all). And, thanks to its buttery soft bamboo-viscose fabric, it’s a great choice for a warm-weather October 31st—or one spent entirely indoors.

When it comes to some of the best newborn Halloween costumes, your little love bug will look too cute as a ladybug. This spotted bodysuit comes complete with adorable antennas.

Wrap your little one up like a snuggly burrito in this funny baby Halloween costume swaddle. Perfect for newborns up to 4 months, this cute outfit will ensure that baby is ready for any Halloween happening.

Obsessed with House of Dragons? Turn your favorite binge-watch into a fun family costume idea with this dragon outfit for infants. If the day is chillier than expected, it’s no problem; simply snuggle baby up in this newborn Halloween costume’s warm wings.

This wildly cute baby Halloween costume is sure to keep baby cozy on the holiday. The one-piece is made from ultra-soft velour and features an all-over giraffe print. Whether you need a 0- to 3-month Halloween costume or a 3- to 6-month Halloween costume, this pick has got you covered.

Coming up with unique baby costume ideas can be tricky, which is where we come in. Cue: This crochet caterpillar newborn Halloween costume inspired by Eric Carle’s classic children’s book, The Very Hungry Caterpillar. Your little one isn’t walking around yet, but they’ll still have four additional legs for extra cuteness.

Swaddle your bundle of joy in this Ghostbusters-themed bunting. This pick would be perfect for a funny mommy-and-me costume. Bonus: Your little one will be even sweeter than usual in this marshmallow-inspired baby Halloween outfit.

This newborn Halloween costume is equal parts spooky and sweet. The cotton-jersey bunting will be soft against baby’s sensitive skin, and the wings add a playful touch to the outfit. The set fits little ones up to 6 months, making it a perfect choice for baby’s first Halloween costume.

Can’t get enough of cute baby Halloween costumes? Then be sure to check out this Baby Yoda bodysuit from Disney. The velour jacket has a furry collar, and a hat with floppy ears will keep your newborn toasty while you trick-or-treat your way through the neighborhood.

Hear baby roar! From the oversized mane to the reasonable price, we love everything about this cozy lion suit for baby’s first Halloween costume. What’s more, the fleece outfit even features an asymmetrical zipper so diaper changing will be a breeze while celebrating.

We love avocado on pretty much everything—and that includes baby’s first Halloween costume. This set comes with three separate pieces: a T-shirt with long sleeves, a zip-front hoodie with and an elastic waistband for extra comfort and tights. All that’s missing is a piece of toast!

Send your imagination into orbit with this adorable astronaut onesie. This romper comes with snaps for easy on-off and is made of a soft knit fabric for extra comfort. Who knew baby’s first Halloween costume could help them shoot for the stars?

Disney costumes are great go-tos for all ages, and the iconic brand’s leading lady is a classic choice for a baby Halloween costume. We love that the multi-layered tulle skirt adds extra fluff and extra drama to Minnie’s lovely look.

Give a nod to one of baby’s favorite songs with this shark costume. The jumpsuit is easy to slip onto a newborn, and the hoodie shark head is equal parts cute and funny. With this suit, baby’s first Halloween costume is sure to be memorable!

Trying to choose baby’s first Halloween costume? Well, giddy up! We love this adorable Toy Story Woody outfit that’ll have your little one wrangling compliments in no time. It comes with pants, a shirt, a vest with sheriff badge, a hat and a bandana. Yeehaw!

Your little one will love dressing up and posing for pics like one of their favorite Disney characters. Baby is sure to be the belle of the ball in this cute infant Halloween costume.

Quack! We love this fuzzy duckling baby Halloween costume (just look at those sweet wings!). Your little one will be waddling with confidence in this playful ensemble.

Baby was a present to your family, so why not dress them up to deliver some gifts too? This funny infant Halloween costume comes with the shirt, pants, cap and a little box. It’s the whole package!

Babies have a unique knack for getting into mischief, making this pirate baby Halloween costume perfectly apropos. The jumpsuit comes with a striped top, black bottoms and brown booties. Just add the included hat and voila! Baby will be the cutest swashbuckling scallywag on the seven seas.

This owl infant Halloween costume is a real hoot! The thick jumpsuit is lined for extra warmth, the owl eyes and ears keep baby’s head protected and the cozy plush booties are an added bonus.

So many of the best baby Halloween costumes riff on perennially popular ideas, but if you want something truly unusual, how about a llama-unicorn hybrid? Now that’s a step up from your average unicorn costume. Get ready to take tons of Instagram pics of your little one in this unique and ultra-cute costume.

We can’t help but giggle at the idea of baby in an Elvis Halloween costume. And with the release of the new Elvis movie, we think this getup will be right on trend. The baby Halloween costume comes complete with a faux-rhinestone jumper, pants, hat and booties. Baby will be the cutest king of them all.

Guarantee grins while trick or treating with this baby Halloween costume. The unique outfit consists of a tunic, a pair of pants, a pair of booties and a hat with fluffy eyebrows. And, of course, this costume wouldn’t be complete without the fluffy white beard!

We’ve hatched an ingenious plan: Dress your little one up as a baby dino egg this Halloween, and revel in all the compliments that are sure to roll in! The baby Halloween costume’s long-sleeved top and plush hat will ward off any chills—just add a pair of pants or tights.

There's only one word for this fuzzy lamb onesie: snuggly. When baby’s first Halloween costume is this soft and cute, you’ll want to cuddle them all day long.

Shopping for a very sleepy baby? This funny sloth costume embraces the snoozy life. The furry jumpsuit design makes for a cute and comfy outfit, as all the best baby Halloween costumes should be.

This affordable baby Halloween costume is a total steal––score! This snuggly doggy outfit is perfect for parents searching for a 6- to 9-month Halloween costume. If you have a pup, this set would be ideal for a photo opp with baby and your four-legged family member.

Dress baby up like the little stinker they are. This funny baby Halloween costume idea includes a furry black and white pullover for easy dressing, a tail and a matching hood with eyes and ears. Not to mention it’s both extra soft and stinkin’ cute.

We love Winnie-the-Pooh, but why should he always get the spotlight? This Halloween, pay homage to some of the other beloved storybook characters, like Eeyore, with this crocheted costume. The outfit comes with a donkey-ears hat, and yes, the tail is detachable. (This is also one of the best baby Halloween costumes for family getups, since there are so many cute characters in the Hundred Acre Wood to choose from!)

Baby might not have the coordination to stand on one leg (or even two) just yet, but honestly, that makes this flamingo costume even sillier (and cuter). We’re all for unique baby animal costumes!

Cast a spell of cuteness on your little one this October 31st with this witch Halloween costume for babies. The ballerina-style dress features a glittering tulle skirt and a soft jersey bodysuit––how cute!

Shopping for a cute baby Halloween costume? Just follow the yellow brick road. This Etsy shop makes the sweetest infant interpretation of Dorothy’s outfit we’ve ever seen. The ensemble features a blue checkered romper with a Toto-inspired embellishment, plus a sparkly red headband and—of course—glittery red shoes. Bonus: You can get the bodysuit personalized with baby’s name for an even more unique spin on the idea.