Baby’s first Halloween: 40 of the sweetest costume ideas

Ah, fall. The weather cools down, the leaves turn beautiful shades of red, green and yellow, pumpkins appear on porches and the time for signature Starbucks drinks (pumpkin spice cold brew, anyone?) are here. Not to mention, all of the fabulous scarves and jackets waiting to be worn out and about.

But, it’s also a time to bring out the cutest, most adorable Halloween costumes you’ve ever seen. Consider this, Halloween only comes once a year. This is the youngest your kids will ever be. There’s only so many times they’ll let you dress them without any fuss. And, if it’s your baby’s first Halloween costume affair then that’s as great as an excuse as any to go all out. Whether you’ll be trick-or-treating or not, your baby’s first Halloween costume is one to keep on record.

Related: Target launched their Halloween costumes and these are our top picks

Sure, we love family costumes, but nothing warrants the biggest smiles and laughs like baby costumes. From pumpkins and candy to mini ghosts and celebrities, these baby costumes for Halloween are sure to make your baby’s first Halloween a memorable one. Get inspired with these adorable baby’s first Halloween costumes.

40 sweet baby Halloween costumes

1. Baby Starbucks FTW

Starbucks is always a good choice. But, your little cutie pie in a Starbucks onesie is absolutely the best idea.

2. Dessert never looked so sweet

3. We want to eat this right up

You can DIY this cotton candy costume with a pink or blue onesie and some poly-fil like this mama did. If you’d rather add something to cart (and make your life a little easier) then check this one out.

4. Because when else will they let you dress them like a chicken?

5. Granny knows best

Floral dress, cardigan and a little grey hair. Get Grandma’s costume (for baby) here.

6. Lucky lil’ ladybug

There’s two ways to go: red tutu, black top and some wings or, the comfy lady bug poof.

7. The cutest garden gnome you ever did see!

8. *Rawr*

Your baby cub will look adorable in this lion costume.

9. A Cabbage Patch wig? Costume complete!

10. To infinity…AND BEYOND!

11. What has 8 legs and a whole lotta cuteness?

Get them in these costumes before they grow up! Baby octopus costume will keep them warm on a chilly Halloween night.

12. Pubert! (Real ‘Addams Family’ fans know)

Doesn’t take much to pull this together aside from a neutral colored onesie and a little black liner to color in the brows and draw the ‘stache.

13. Cutest pumpkin in the patch!

14. Did someone say “moo?”

Got milk? Fit your baby in this lil’ cow cutie.

15. There’s no place like home

There’s no costume like this costume. The “Dorothy” look can be done with as little as a gingham dress and red tights (especially if you don’t have red flats). Or, you can get the whole look here.

16. The cuddliest bat on the block

Get yourself a winged baby with this bat baby costume.

17. Come on Barbie, let’s go party!

Related: 16 Barbiecore-inspired products to boost your mood and freshen your vibe

18. A teeny tiny skeleton

Not only does this skeleton onesie glow in the dark but it’s also part of a set for matching family pajamas.

19. And they call it…”puppy love” 🎶

There are so many puppy costumes to choose from. Hound dog, dalmation and even Disney’s Pluto are all great options.

20. Because you’re never too young for Harry Potter

21. Snow White (and her apple)

All this princess needs is a shiny apple. Get your Snow White look here.

22. Flamingo

Of all the birds to choose from, this pink flamingo will certainly put a smile on everyone’s face.

23. Princess

Baby Belle is a wonderful option for your budding reader. Check out this washable option and this option with an adorable headband.

24. Troll and Jack-o-lantern

From Poppy to to DJ Suki, you can’t go wrong with a Trolls costume.

25. Happy lobster

If a lobster isn’t your thing then, check out this shrimptastic baby costume.

26. Wild Things baby edition

Here’s to your very own wild thing!

27. The king of rock and roll

Rock and roll baby! An actual rock and roll baby, that is.

28. Stay puft

Bubble costumes are seriously cute but this Stay Puft costume has got to take the cake.

29. Old lady

If your baby won’t keep the wig or glasses on, a floral dress and cardigan with that authentic “gummy” look will still seal the deal.

30. And a dash of soy sauce!

It might make you hungry but there’s no way a baby sushi roll doesn’t make you smile.

31. Monopoly Man

A white onesie and black trousers are all you need for the foundation of this costume. Draw a darling mustache on your babe (or use a sticker). For the top hat, you can craft one out of felt or just use a comfy vintage cap.

32. Extra whip cream, please!

For all the whip cream and foam lovers, check out this fluffy costume.

33. Skunk

An appropriate costume if there ever was one for a surprise blowout, don’t you think? Get your baby skunk costume here.

34. The cutest mouse

Go for a traditional mouse costume with this option or the Disney mouse we all know and love.

35. Still waiting on my Hogwarts letter

Calling all Hogwarts wizards! Get the striped look with matching pants and a hat or go for the full-on cloak.

36. Giraffe

Choose between a bubble costume or a onesie style zip-up.

37. Bear-y cute

A brown bear costume can be as simple as the winter-staple fuzzy jacket you already have in your kid’s closet. You can also go for a brown bear or a classic teddy bear.

38. Monkey (and bananas!)

A carrier costume is great for all the little one who can’t hang on Halloween night. Check out this banana and monkey duo.

39. Puppy

If your child won’t let you zip ’em into a puppy dog costume then, check out these chic overalls that can be worn again and again.

40. “Home Alone” characters

Your costume might take a few feathers but all your Home Alone baby needs is a red sweater, beanie and tan pants.

A version of this post was published September 16, 2021. It has been updated.