We have cute and adorable Baby Halloween Costume Ideas. 21 baby costume ideas for Baby’s First Halloween and more. These cute and funny baby costumes will make adorable pictures.

We have cute and adorable baby Halloween Costume ideas. 21 baby costume ideas for Baby's First Halloween and more. These cute and funny baby costumes are comfortable, festive and will make adorable pictures. #onecrazymom #babyhalloweencostumeideas #halloweencostume

There are so many adorable costumes to choose from. This list includes 21 cute baby Halloween costumes. From costumes for babies that are perfect for trick or treat to family costumes and more. You will be ready for your Halloween Party.

If you have older children, you might also like Halloween Costume Ideas for Boys and Halloween Costume Ideas for Girls.

Why We Love These Costumes

The ideas are endless and include newborn Halloween costumes, baby shark costumes, Star Wars and Pottery Barn Kids hacks. This list is full of fun ideas that look great but won’t break the bank.

There is something for everyone including great family costumes if you want everyone to coordinate.

Mermaid costume on child.

1. Mermaid Costume

This darling little Mermaid Costume is the perfect baby costume for Halloween. It is made from soft material that is crocheted into an adorable Mermaid style pattern.

Not only is this fun for Halloween but also makes a great costume for photos. It is so cute and will be precious for a Little Mermaid theme.

Pumpkin costume on baby sitting up.

2. Pumpkin Costume

Dress up your baby in this fun and festive Pumpkin Costume. It is soft and velvety with the cutest headpiece.

Your little pumpkin will be the star of the Halloween party. This classic and traditional Halloween idea is always a popular choice. Everyone needs a pumpkin during the Halloween season.

Baby in magic 8 ball costume.

3. Magic 8 Ball Costume

Transform a long sleeve black onesie into a fun Magic 8 Ball Costume. This is so adorable and the perfect option that will be comfortable and easy to make.

If you are looking for a really simple and affordable costume, try making this easy Magic 8 Ball DIY costume. It is super fun and one of the easiest ideas to put together.

Waldo costume on child surrounded by stuffed animals.

4. Where’s Waldo Costume

With a few simple to add red stripes, it is easy to make this Where’s Waldo costume. Anyone can easily turn a white shirt or onesie into this fun costume.

With a few other simple items added, this costume turns out great. It is also a great costume for a photo opportunity surrounded by other items.

Pig Costume on child on floor.

5. Pig Costume

This soft and fluffy pink Pig costume is absolutely adorable. Your child will be comfy and dressed as the cutest pig ever. This costume is one piece and has an easy to use zipper for quick diaper changes.

Harry Potter onesie and cape.

6. Harry Potter Costume

If you are looking for a costume that starts with a onesie, this is the one to try. Harry Potter fans will love this costume. This fun costume also includes a removeable cape.

It is easy to put on and the added feature of the cape being detachable is even better.

Child in strawberry onesie and hat.

7. DIY Strawberry Costume

These step by step instructions make it simple to turn a long sleeve red onesie into a fun Strawberry Costume. The hat completes the look.

It is so easy to make with only a few simple steps.

Child in avocado costume sitting up.

8. Avocado Costume

From the sleeveless hooded romper to the whimsical striped tights, this costume is the cutest avocado. The zipper makes it so easy to take on and off for diaper changes.

Pineapple Costume with hat on child.

9. Pineapple Costume

The patterned tights combined with the yellow costume and green topper is adorable. Your little pineapple will be the hit of Halloween pictures.

Child in monkey costume.

10. Monkey Costume

From the bright red tights to the fluffy brown hooded costume, this monkey is so cute. Moms will love how easy it is to get on and off for quick diaper changes.

Crab costume on child.

11. Crab Costume

Infants and younger babies will be comfy in this whimsical Crab Costume. It has an orange hood that completes the outfit. Fans of the Little Mermaid Disney movies will love this classic Crab Costume.

It is perfect for baby girl or baby boy

Jack Jack costume on child.

12. Baby Jack Jack Costume

If you plan to do a family costume, this Baby Jack Jack Costume is ideal to complete the look. It is such a cute idea for baby’s first Halloween costume.

Baby in candy bar costume.

13. DIY Baby Ruth Candy Bar

These easy step by step instructions make the cutest candy bar for your little one. Follow this fun tutorial and transform fabric into the cutest candy bar costume complete with logo.

Cinderella costume with headband.

14. Cinderella Princess Costume

This whimsical Princess costume includes a headband to complete the look. It is blue and pretty with a hint of shimmer. Pair it with tights or pants depending on the weather to complete the look.

Unicorn Costume on child.

15. Unicorn Costume

For the cute little Unicorn in your life, this costume is so fluffy and comfy. It’s so cute for Halloween. You can use a white onesie underneath.

Children in lion costume in wagon.

16. Baby Circus Lion

You will love this easy idea for a lion. There are even ideas to decorate a wagon to complete the look for this Baby Circus Lion. It is a clever idea that includes transportation if walking around the neighborhood or carnivals and such. This baby idea can also easily be used for a toddler or young children.

Baby Elvis costume in chair.

17. Elvis Costume

Anyone can easily make this DIY Elvis jumpsuit that snaps making it so easy for parents. This diy baby Halloween costume is made for comfort while being loaded with cuteness.

Dragon costume on child walking.

18. Dragon

Turn a sweatsuit into a dragon that will be perfect for Halloween. This DIY Baby Dragon Costume is effortless to make with minimal sewing.

Owlette costume on child.

19. Owlette Costume

Dress you baby for Halloween as this precious Owl. This easy jumpsuit easily fastens and looks adorable.

Mustard and ketchup onesies.

20. Mustard and Ketchup

Whether you are dressing up with friends or siblings, this Mustard and Ketchup onesie costume is comfy and fun. It is perfect for babies while still being festive for Halloween. This idea is easy to wear using a baby carrier as well.

Elmo costume for a baby.

21. Elmo

If you are looking for something cute to wear for Halloween that is comfy and without frills, try this Elmo outfit. It isn’t your typical costume but still absolutely adorable and the cap can slide off.

More Easy Halloween Costume Ideas

There are so many fun ideas to choose from that will be perfect for Halloween. Your child will look adorable without much work. Leave a comment so I know what you plan to choose!

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