Boo-tiful Baby Halloween Costume Ideas For 2025
There’s something magical about a baby’s first Halloween – those tiny pumpkins, adorable lions, and itty-bitty witches never fail to melt hearts. Whether this is your little one’s debut Halloween or you’re a seasoned pro at dressing up your growing baby, choosing the perfect costume is both exciting and overwhelming.
The good news? Baby costumes have come a long way from scratchy polyester onesies. Today’s options prioritize comfort while delivering maximum cuteness for those precious photo ops. From classic characters to creative DIY-inspired looks, we’ve rounded up Halloween costume ideas that work for every age and stage – newborns who’ll sleep through the festivities, wiggly sitters exploring their world, and toddling trick-or-treaters taking their first steps.
These picks balance adorable style with practical features busy moms actually need, ensuring baby stays comfortable whether you’re attending a harvest party or just snapping photos at home.
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Please note that we include affiliate links to our preferred costume supplier, HalloweenCostumes.com. Depending on your country, the link may redirect to stores in other countries, may not be available in your location, or may be temporarily out of stock. I’m doing my best to keep suggestions up to date for Halloween 2025. Amazon alternatives or similar choices are also available for your shopping convenience
This post is part of our Halloween series. You can find more costume ideas for everyone in your family or group over here. For more Halloween inspiration – from party food to finding a theme for celebrations at school or home, head over to our Halloween Party Hub and get planning now!
Popular Baby Halloween Costumes in 2025
Disney/Pixar Characters
Disney magic starts early! These beloved characters are instantly recognizable, guaranteed to bring smiles, and often come with soft, baby-friendly designs. From classic princesses to Pixar favorites, these costumes deliver that “aww” factor while giving you plenty of options as your little one grows.
Boo (Monsters Inc)
Russell (Up)
NEMO (Finding NEMo)
SULLEY (Monsters InC)
JACK (INCREDIBLES)
BuZZ LIGHTYEAR (Toy STORY)
Traditional Halloween
Who says babies can’t be spooky? Tiny vampires, mini witches, and pint-sized ghosts bring just the right amount of Halloween spirit without being scary. These classic costumes are timeless choices that capture the essence of the holiday while keeping things cute and age-appropriate.
Vampire BAT
Skeleton
WITCH
DEVIL
BLACK CAT
Count Dracula
Classic Characters
Bring your favorite fandoms to life with iconic characters that span generations. Whether you’re a Star Wars family, Ghostbusters fans, or love a good Wonka reference, these costumes let you share your pop culture favorites with your little one while creating adorable photo opportunities.
SLEEPY Dwarf
OOMPA LOMPA
MR EVIL
EWOK
Count
GHOST BUSTERS
CARE BEAR
PRINCESS LEIA
CABBAGE PATCH KID
Trending Modern Favorites
Today’s kids’ entertainment has given us some seriously cute costume options! From speedy hedgehogs to lovable yellow minions and everyone’s favorite space baby, these contemporary characters are trending for good reason – they’re recognizable, fun, and perfect for social media-worthy moments.
SONIC THE HEDGEHOG
Also available on Amazon
Minion
Also available on Amazon
GROGU
Also available on Amazon
More Cute Baby Ideas
Sometimes the simplest concepts make the most memorable costumes. These creative ideas – from striped prisoners to plump pumpkins to delicate butterflies – prove you don’t need a franchise to nail Halloween cuteness. Bonus: many of these work beautifully for DIY projects if you’re feeling crafty!
PRISONER
Also available on Amazon
Lil Pumpkin
Also available on Amazon
BUTTERFLY
Also available on Amazon
Newborns in Carriers
For the tiniest trick-or-treaters who’ll spend Halloween snuggled in a carrier, why not make the whole setup part of the costume? These clever ideas transform baby-wearing into a coordinated look where parent and infant become one adorable unit – perfect for newborns who need to stay close and cozy.
Pumbaa & Timon
Also available on Amazon
Gym Instructor
Also available on Amazon
Little space man
Also available on Amazon
Keeping Your Little One Safe and Comfortable
When dressing babies in costumes, a few simple considerations ensure everyone has fun.
- Temperature matters – babies can’t regulate body heat like adults, so layer underneath for chilly evening trick-or-treating or choose breathable fabrics for mild weather. You can always add a cozy jacket over the costume if needed.
- Check for small parts like buttons, bows, or decorative elements that could become choking hazards, especially for babies in the mouthing stage. Opt for costumes with securely attached details or remove loose pieces before wearing.
- Comfort is key for happy photos and peaceful outings. Choose soft fabrics without scratchy seams, ensure arm and leg holes aren’t restrictive, and skip elaborate headpieces if your baby fusses. Sometimes a simple themed onesie works better than a full costume – and honestly, babies make everything adorable anyway!
Your baby’s Halloween costume should be as sweet and snuggly as they are! These options deliver photo-worthy cuteness without sacrificing comfort.
Looking for more Halloween inspiration? Browse our costume guides for the whole family and explore our Halloween Party Hub for decorating ideas, party planning tips, and everything you need to create magical memories this spooky season.
© Little Party Pixie 2025
