20 Adorable Halloween Costume Ideas for Babies and Toddlers
You're never too young to get in on the Halloween fun (or to have your parents do it for you). We've found darling ideas for our little ones of all ages, from newborns to toddlers.

Dressing up your kiddos for Halloween is just as much for the parents as it is for the child — especially when they're under the age of three. Show off your little one's cuteness with these adorable costumes that are easy to put on and, most importantly, super comfy to wear. Plus, they'll be the perfect addition to their dress-up arsenal well after the ghost and goblin decor comes down.
Who you gonna call? Turn your tiny one into the giant, yet incredibly adorable, Stay-Puft Marshmallow Man. He's sure to scare up some yummy treats from friends and neighbors.
Let your little one make mischief of one kind and another with Max's costume from Where the Wild Things Are. The romper is easy to put on and a comfy outfit that he won't mind wearing all night.
This toothy sea creature is ready for a candy trek. The walrus costume is designed out of a whirled chenille, the same fabric used to make lightweight baby blankets, so it's ultra-soft to the touch. Inside, the outfit is filled with a cooling fiberfill that keeps your toddler comfortable.
For your little stinker, grab this adorable skunk costume. A furry white stripe starts at the tip of the head and goes down the tail for the characteristic telltale of the creature. Paint a little black dot for a nose and slip the two-piece costume over a black shirt and leggings to complete the look.
This original ramen costume design is hand-pressed onto a soft, 100-percent cotton bodysuit that's made to last. Plus, the limited-edition ramen hat is handmade with yarn and adorned with felt carrots, onions and egg bits to complete the yummy look.
The classic pumpkin costume never goes out of style. This version is made of soft velour, comes with a matching hat and to utterly delight your child, it glows in the dark.
This organic cotton zip-up sleeper feels just like a pair of comfy PJs but also doubles as an adorable costume. Pair the sleeper with this cotton cap topped in antennae for a complete costume that works just as well for trick-or-treating as it does for bedtime.
This spiny little critter is adorable in real life and also makes for an oh-so cute costume. The pullover design makes it easy to wear for Halloween and features a dimensional hedgehog face.
Turn your little one into a bright pink flamingo with this supersoft jumpsuit. Made from hypoallergenic fabrics and fully lined, your baby will stay comfy and warm for as long as they can keep their eyes open. Pair it with a pair of pink leggings or tights to complete the look.
This handmade lion hat is super warm and super durable. The 100-percent acrylic yarn is securely attached so your child can't pull it out. Pair this cute cap with just about anything — a brown onesie, overalls, a neutral sleeper — you name it!
Boo! Get ready for the cutest ghost in town. Designed for six months and up, this slipover costume can be paired with a white shirt and pants for a spooktacular Halloween night.
Keep them nice and comfy on Halloween night with a standard bodysuit that's covered in felt, trim and pom-pom pieces to resemble a sweet little llama. The headband ears are made from felt, too, so they'll feel soft against their noggins.
This triceratops outfit is bright green and accented with an attached hood and a spiked tail, giving a cute dino-mite look. The long-sleeve pullover has a yellow panel on the front with snaps for easy dressing.
Transform your child into the cutest delivery driver on the block! With this adorable costume, he can join the United Parcel Service and hand-deliver the gift of cuteness.
Lions, and tigers, and bears — oh my! Outfit your little one in a customized Dorothy Gale costume that's all things sparkly and sweet. Etsy shop LilyandMaxCo crafts a three-piece Wizard of Oz-inspired set with a personalized romper, an elastic, sequin-bow headband and red sequin shoes to match.
Glam up your little skeleton with this frilly light-up tutu costume. Soft white LED lights illuminate the front of the dress for an uber-fun touch, as well as keeping them visible in the dark.
Easy to slip on over their favorite outfit, this How to Train Your Dragon costume pairs a fleece cape that mimics the wings and tail of a dragon with an adorable yellow-eyed dragon hat. This fun and comfy costume will be perfect for dress-up long after the trick-or-treating is over.
Not every toddler is going to wear a full-on costume, so a comfy shirt and leggings with a little extra detail strike the perfect balance. Pretty and simple, this emperor moth costume slides over your tot's shoulder like a backpack and is made from lightweight taffeta.
Whether you simply love the furry creatures from Endor or are dressing up the whole gang in Star Wars attire, this baby Ewok costume is a win. The furry bodysuit combines with a soft, draped cowl to create the teddy bear-like beings from Return of the Jedi.