Celebrating your baby’s very first spooky season? These 35 cute baby first Halloween costume ideas are sweet, snuggly, and picture-perfect. They’re the best way to dress up your littlest trick-or-treater and make their debut holiday extra magical and memorable.
35 Baby Halloween Costume Ideas That Are Too Cute to Spook
A baby’s first Halloween is all about the adorable factor, and the right costume makes the moment even sweeter. From snuggly animal onesies to tiny takes on classic characters, these costumes bring out all the charm while keeping your little one cozy and comfortable. It’s the kind of milestone you’ll want to capture in photos and remember for years to come.
This collection features 35 cute baby Halloween costume ideas made for the littlest trick-or-treaters. Whether you’re looking for something funny, heart-melting, or just irresistibly cute, these costumes prove that even the tiniest family members can steal the spotlight on Halloween night.
1. Monster Duo
Tell me this isn’t the cutest monster mash you’ve seen! I spotted this gem from disneybaby—tiny Sulley and Mike bringing the Monsters, Inc. magic to life. The colors are bold, the smiles even bolder.
There’s something about this playful duo that makes Halloween feel extra special. No frills, just pure fun wrapped in cozy, vibrant costumes.
If you’re hunting for an easy sibling or bestie costume idea, this one’s got my full vote.
2. Popcorn Cutie
Couldn’t scroll past this one without grinning—mothermadeyou nailed it with this popcorn baby! I mean, that fluffy headpiece and the cheerful “POP CORN” badge? Absolute show-stealer.
What makes it even better is how soft and cozy it looks, perfect for keeping baby snug while stealing the spotlight. It’s one of those costumes that’s sweet, simple, and totally unforgettable.
If you’re aiming for maximum cuteness with minimal effort, this popcorn look is a guaranteed crowd-pleaser.
3. Elephant Dreams
Soft, serene, and absolutely heart-melting—that’s what came to mind when I spotted this from cuddleandkind. The tiny elephant bonnet paired with that sweet knit friend is such a gentle, thoughtful touch.
I love how the neutral tones keep it timeless, letting the little one shine without any fuss. It feels cozy, calm, and full of love.
If you’re curating ideas for a newborn halloween shoot, this one is pure perfection.
4. Little Squirrel
This one had me smiling instantly—a tiny squirrel tucked among towering trees, captured so perfectly by woodlark. That fluffy tail and little ears? Pure magic against the woodland backdrop.
I love how natural and unposed it feels, like the baby is just part of the forest itself. Soft earth tones, cozy textures—it’s all so simple yet unforgettable.
Honestly, if I were planning an outdoor halloween shoot, I’d steal this idea in a heartbeat.
5. Mini Jedi
Stop everything—this little Jedi from brokenbeautifulmamahood just stole the show! The knit Yoda ears and tiny robe? Such a clever nod to the galaxy far, far away.
I love how playful and comfy this look is, perfect for a crawling adventurer ready to master the Force. Simple, soft, and absolutely unforgettable.
If I ever needed inspiration for a baby costume, this one’s going straight to the top of my list.
6. Little Hotdog
Okay, tell me this isn’t the funniest little snoozer you’ve seen! solidstarts shared this baby-as-a-hotdog moment, and I’ve been smiling ever since.
I love how the soft bun and squiggles of mustard and relish wrap the baby up perfectly. Cozy, hilarious, and just the right amount of quirky.
If you’re after a costume that’ll get all the laughs and let baby nap through it, this one’s unbeatable.
7. Tiny Strawberry
I mean, how sweet is this little berry? Spotted this adorable moment from solidstarts—a baby wrapped up like the tiniest strawberry, seeds and all.
The soft green cap and leafy collar add just the right touch without overcomplicating things. Cozy, cute, and totally picture-perfect.
If you’re after an easy, comfy costume that still brings all the charm, this strawberry look is a total win.
8. Pumpkin Princess
Talk about Halloween spirit—this little pumpkin queen from familyfunpack is absolutely glowing! The playful mix of pumpkins, ghosts, and bats paired with that bright orange tutu? It’s festive perfection.
And can we talk about that bow? The polka dots tie everything together without missing a beat. Fun, comfy, and totally smile-worthy.
If you’re after an easy way to dress up for spooky season without a full costume, this look nails it.
9. Sweetie Pup
I couldn’t scroll past this without grinning—ms_wayerski nailed the ultimate mama-and-baby duo! Cruella with her little Dalmatian pup? It’s clever, playful, and just the right amount of dramatic.
That black-and-white wig and feather boa bring all the villain flair, while baby Patch keeps it sweet and soft. They balance each other perfectly.
Honestly, this is the kind of matching costume magic I’d bookmark for next Halloween without thinking twice.
10. Twin Royals
I mean, how could I scroll past these two little wild things? some_assembly_required__ absolutely nailed this twin look with crowns, fluffy tails, and cozy onesies straight out of a storybook.
There’s something so playful and magical here, like they’re ready to rule their own little kingdom. Simple details, but they pack such a creative punch.
If I had twins, this would hands-down be my costume inspo.
11. Coral Cutie
Now this one totally caught my eye—nervous_jessica dressed up her little one as a coral reef king, and I am obsessed! The layered felt corals, the clownfish details, and that crown? Under-the-sea magic.
I love how vibrant and creative this is, without being over-the-top. It feels playful, handmade, and full of personality.
If you’re looking to make a splash with a baby costume, this idea definitely swims to the top.
12. Oreo Cutie
I mean, how could I not stop scrolling when I saw this? A baby dressed as the sweetest little Oreo—complete with that perfect cookie detailing!
The simple black and white theme is such a clever play on the classic treat, and that smiley beanie adds just the right dose of charm.
If you’re on the hunt for a costume that’s both easy and totally unique, this idea from inquiryteacher is a must-try.
13. Pumpkin Baby
How could I not fall in love with this little pumpkin patch surprise? I spotted this cozy setup from madewithmichaela, and it’s everything autumn dreams are made of.
The soft swaddle, earthy bow, and that snug pumpkin cradle—it’s such a warm, magical combo for fall photos. Simple, seasonal, and oh-so-sweet.
If you’re thinking of capturing those early days with a seasonal twist, this idea from madewithmichaela is a must-save.
14. Storybook Magic Costume
This one stopped me in my tracks—a dad and baby duo straight out of Over the Garden Wall. The teapot hat, the pumpkin pail, and that classic red cone? Nailed it.
I love how effortlessly these outfits capture the charm of the characters without going too elaborate. Just the right mix of playful and nostalgic.
If you’re dreaming up a storybook-inspired costume, this idea from aww.sam is too good not to save.
15. Little Broccoli
Okay, I can’t get over how hilarious and adorable this little broccoli baby is! That fluffy pom-pom crown and matching sleeves? Total genius.
I love that it’s cozy and simple, but still makes such a fun statement. Plus, who wouldn’t smile seeing a baby dressed as their favorite veggie?
If you’re looking for a playful costume that’s outside the box, this idea from solidstarts totally delivers.
16. Noodle Baby Bowl
I mean, who knew a bowl of ramen could be this cute? The yarn noodles, felt shrimp, and little egg topper all come together for the most creative baby costume I’ve seen in a while.
What I love most is how playful and detailed it is without feeling fussy. Every piece feels soft, safe, and perfectly cozy for baby.
If you’re in the mood to cook up something fun for Halloween, this idea from solidstarts is definitely worth a spot on your list.
17. Wonder Bear
This little woodland warrior had me at hello! The cozy brown suit, the fuzzy hood with ears, and that tiny spear? Such a perfect take on an Ewok.
I love how the natural setting ties it all together—like this little one wandered straight out of Endor. It’s simple, comfy, and full of character.
If you’re a Star Wars fan looking for a cute twist, this idea from lilhousewife is just too good to pass up.
18. Cuddly Giraffe Costume
This little giraffe had me smiling instantly! The cozy hood, soft giraffe spots, and that plush giraffe buddy riding along? It’s a whole vibe.
I love how simple and snuggly this costume feels—perfect for lounging around or snapping those adorable photos without a fuss.
If you’re on the hunt for a comfy animal-themed halloween outfit, this idea from christineandrew is definitely one to bookmark.
19. Tiny Spirit
How cute and classic is this little ghost vibe? A simple white poncho with the sweetest spooky face—easy, comfy, and totally timeless.
I love the casual twist with the checkered cap and sneakers. It keeps the whole look playful without trying too hard.
If you’re looking for a quick, no-fuss Halloween idea that still delivers smiles, this gem from krystameeker is all you need.
20. Pumpkin Cutie
I couldn’t help but smile at this little pumpkin moment! The bright orange hoodie, the jack-o’-lantern face, and those striped socks? It’s festive cuteness overload.
What I love most is how relaxed and playful this setup feels. Just a baby, some pumpkins, and a whole lot of Halloween spirit.
If you’re looking for a simple but adorable costume idea, this sweet setup from always_kristen totally nails it.
21. Little Fishy Costume
I mean, how fun is this underwater duo? That baby fish swaddle with the soft scales and flippers is just too cute—and don’t even get me started on the matching jellyfish hat!
I love how easygoing and playful the whole vibe is, perfect for a cozy costume moment without any stress.
If you’re dreaming up a sea-themed look, this creative pair from thebrittkit totally makes waves.
22. Pumpkin Pal
Nothing says fall fun like a baby dressed as the cutest little duckling! The cozy brown suit, those bright orange webbed feet, and that green hood with the perfect beak—it’s just too good.
What really got me smiling was how effortlessly kynsimay captured the autumn vibe, pairing this sweet outfit with a big pumpkin right on the porch. It feels warm, simple, and full of seasonal charm.
If I were putting together a cozy costume for a little one, this would be right at the top of my list!
23. Mini Yoda
I stopped mid-scroll the second I saw this little bundle of Star Wars magic! The oversized Yoda ears and that cozy tan robe? Absolutely nailed it.
What makes this even sweeter is how rosies.mom styled it—soft textures, perfect colors, and just enough detail to capture Baby Yoda’s charm without overdoing it.
Honestly, if you’re thinking about a themed costume that’s comfy and instantly recognizable, this one’s hard to beat!
24. Ducky Darling Baby
I mean, how can anyone resist this fluffy little duckling? The crocheted beak hat, the feathery bodysuit, and those tiny yellow booties—it’s pure perfection.
What really caught my eye was how mandymooremm pulled this look together with such playful textures. The softness of the feathers mixed with those cozy knits? Adorable without being fussy.
If I were picking a costume for ultimate cuteness and comfort, this feathered friend would be top of my list!
25. Batty Baby
This tiny bat baby totally made my day! Wrapped up snug in black with those bold pink wings, it’s the perfect mix of spooky and sweet.
I love how hillcresthealthcaresystem kept it simple yet eye-catching—the bat-print bow adds just the right touch without stealing the show.
If you’re looking for an easy newborn Halloween idea that’s both cozy and adorable, this little bat bundle is hard to beat!
26. Tiny Lion King
Nothing tugs at the heart like a sleeping baby in a lion mane! The soft, chunky yarn and those little ears peeking out? This tiny king of the jungle is stealing all the attention.
What makes it extra special is how hillcresthealthcaresystem kept it simple yet full of texture. The warm colors and snuggly design make this feel both cozy and regal.
If I were planning a newborn halloween shoot with a playful twist, this little lion look would be at the top of my list!
27. Egg-cellent Cutie
This baby carrier costume had me grinning from ear to ear! Turning a little one into Togepi from Pokémon? Pure genius—and that happy face seals the deal.
What I love most is how marriedmakers kept it fun and practical. The painted egg shell fits right over the carrier, making it comfy for both baby and parent while still nailing the look.
If you’re on the hunt for a creative, hands-free costume idea, this one absolutely hatches at the top!
28. Quirky Chick
Right away, this little chick had me smiling! The crocheted yellow hat with those big eyes and tiny beak? It’s quirky, fun, and oh-so-cute.
What I really love is how eliteknitting paired it with simple overalls and a yellow tee—keeping it comfy and effortless, but still festive.
If you’re after an easy, no-fuss costume with plenty of charm, this one totally cracks me up!
29. Cave Kid Costume
This little cave kid absolutely made my day! The bright orange shorts with the black triangles, paired with that bone-toting sash—such a fun throwback vibe.
What really caught my attention is how alyssa_and_elliana kept it playful and simple, perfect for running around outside while still rocking a full-on prehistoric look.
If you’re after an easy costume that lets your little one stay comfy and mobile, this idea totally rocks!
30. Snail Trail
epic.ellis.hayes totally stopped me in my scroll with this little snail cutie! That squishy shell, those googly-eyed antennae, and the soft beige outfit? Absolute perfection.
What I love most is how playful and comfy this whole look feels. That plush pea buddy adds the sweetest extra touch, making it feel like a tiny garden scene.
If I ever needed costume inspo that’s creative yet cozy, this one would definitely be high on my list!
31. Cozy Ghost
Minimalist perfection—that’s the first thing that came to mind when I saw this cozy ghost set from atnoonstore. The soft sherpa texture, paired with that sweet embroidered smile, makes spooky season feel extra snuggly.
What really stands out here is the simplicity. No frills, no fuss—just a warm, comfy little outfit that’s festive without trying too hard.
If I were dressing up a little one for Halloween lounging, this would be my absolute go-to.
32. Sweet Little Bat
I couldn’t help but smile at this little bat! The knitted hat with those perfect pointy ears and the soft black romper make such a cozy Halloween combo.
What I love most is how alldayamk kept the vibe simple yet playful. The tiny wing details on the sleeves give just enough flair without overpowering the cuteness.
If I were putting together a comfy, no-fuss costume for spooky season, this sweet bat look would definitely be on my list!
33. Room on the Broom
How dreamy is this little witch in flight? The tiny tutu, soft pointed hat, and that broomstick setup are pure Halloween magic.
What caught my eye was how cassiexbrookie styled the whole scene—those scattered bats and that little star wand bring the whole story to life without feeling busy.
If I were crafting a cozy, photo-ready Halloween moment, this sweet witch look would absolutely top my list!
34. Duckling Cutie
This little chicken had me clucking with joy! That fluffy white suit, bright yellow beak, and striped orange leggings? It’s the perfect blend of cozy and fun.
What makes it even better is how parkerbabyco styled it with that deep red bandana—adding just the right pop of color without overcomplicating things.
If I were choosing a farm-themed costume for a little one, this adorable look would be top of my pecking order!
35. Trick or Treat
Right away, this little Halloween set made me grin! The playful “Candy Made Me Do It!” onesie paired with those pumpkin-print bell bottoms? It’s festive, fun, and just the right amount of extra.
What really pulled me in was how twinsfajaapparelworld styled the whole look with those sweet accessories—the matching bow, tiny sunglasses, and the cutest little shoes tie it all together perfectly.
If I were dressing up a little one for trick-or-treating (without going full costume), this outfit would definitely be my go-to!
