20 Adorable Halloween Costume Ideas for Babies

Turn your itsy-bitsy little one into the most adorable eight-legged creature. This spider costume has a gray faux-fur body, arms and an attached hood accented with eyes. Layer it over a striped bodysuit for a spooky-sweet look.

This lobster costume makes a fun and whimsical Halloween outfit and features an attached hood with a lobster face for a cute and playful look. It's made from plush fabric to keep them warm and cozy in cooler temps.

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.

Your kiddo follows you around every day, all day long, so for Halloween, dress her up like the little duckling she already is. The fluffy white costume is topped with a duck-billed hood and also has sweet webbed-feet slippers.

Keep them nice and comfy 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 it'll feel soft against their noggins.

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 knit deer cap for a complete costume that works just as well for Halloween as it does for Christmas.

It's hard to beat the cuteness factor of this fluffy puppy dog one-piece. The super-soft costume is made from boa material and faux fur so baby will feel extra snuggly all night.

Grab a plain-gray sleeper and add this organic cotton cap to dress your little one like a sweet mouse. The chin-tie design helps keep the cap in place as they run from house to house Halloween night.

This triceratops outfit is finished with gray velveteen accented with a scaly texture, an attached hood and a spiked tail, giving a cute, dino-mite look. The long-sleeve pullover has a teal panel on the front with snaps for easy dressing.

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!

The classic pumpkin costume never goes out of style. This version comes with the long-sleeve pullover and a matching hat for a complete look.

For a fruity take on Halloween, outfit your kiddo in this oh-so-fun pineapple costume. Bright and colorful, this easy-to-put-on bodysuit zips up the front and goes over the included striped tights and white long-sleeve t-shirt.

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.

Dress up your girl in the "We Can Do It!" spirit with a costume inspired by World War II icon Rosie the Riveter. The denim jumpsuit has an embroidered name patch and is paired with a red-and-white polka dot headband. Because, yes, she can.

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.

For some kids, princess love starts early. Hop on the magic carpet with this charming Jasmine costume from Aladdin. Made with a healthy dose of glitter, jewels and satin, this outfit is designed for magical imagination and is perfect for playing dress-up long after the Halloween candy is gone.

Let your little one make mischief of one kind and another with Max's costume from Where the Wild Things Are. The 100-percent cotton romper is easy to put on and a comfy outfit that he won't mind wearing all night.

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.

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.

This two-piece gnome costume includes a long-sleeve pullover and a red pointy hat for a super-cute look. The long-sleeve pullover features a black faux-leather belt accent adorned with a golden buckle for a touch of shine. The tall, red hat has an attached white beard to transform baby into a cute guardian of the garden.