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19 awesome sibling Halloween costumes kids can wear together

Check out this roundup of adorable sibling costume ideas just in time for all the Halloween fun. With a little coordination and creativity, you're bound to win the costume contest.

What’s cuter than one adorable kid in a Halloween costume? Coordinating sibling costumes, of course. We’ve rounded up 19 of the most creative, most beloved sibling costume ideas just in time for Halloween. From super-easy to pull together to semi-advanced, there’s something in here for everyone. Happy haunting! 

1. Lilo & Stitch

Image via tsudamatwins/Instagram

Whether you’ve got besties on your hands or siblings, going as Lilo and Stitch is always a good idea. 

2. Three good fairies 

Image via Milan Cohen/Instagram

Forget Cinderella! This trio of good fairies — Flora, Fauna and Merryweather — is a sibling Halloween costume for the books!

3. Jasmin, Aladdin and Abu

Image via mrscofieldandco/Instagram

Everything about these sibling “Aladdin” costumes are perfect — but look at that sweet little Abu! What a cutie!

4. Cops and robbers

Image via Derm Doc Libby/Instagram

Take your little one’s police officer costume to the next level by adding an adorable and miniature crook. Cutest little cops and robbers!

5. Little Red Riding Hood and the Big Bad Wolf

Image via Emily McCallister/Instagram

There’s so many things to love about this sweet Little Red Riding Hood and Big Bad Wolf duo, but it’s the wolf’s frayed jeans that really do it for us. 

6. President Biden and Vice President Harris

Image via Alison Jutzi/Instagram

Whether you take part or leave it solely up to the kids, there’s no denying that a Biden/Harris duo is both timely — and super easy!

7. Mario Brothers

Image via momendeavors/Instagram

One of the best things about this Mario Bros. sibling costume? There’s very little potential for arguing over who’s who.

8. Alvin and the Chipmunks

Image via miss.victorialove/Instagram

These siblings and their cute pup pulled together to make an amazing Alvin and the Chipmunks trio. Awww, the band’s all together! 

9. Ghostbuster and Stay Puft Marshmallow Man

Image via patrice_thomps/Instagram

The ghostbuster is ridiculously cute, but let’s be honest here, is there anything more adorable than a baby Stay Puft Marshmallow sidekick?!

10. Rainbow and rain cloud

Image via beingkiyana/Instagram

First comes the rain cloud … and then a sweet baby rainbow! This sibling duo is too cute for words.  

11. Peter Pan and Captain Hook

Image via ktmaymccord/Instagram

OK, this is just about the sweetest Peter Pan and Captain Hook we’ve ever seen. One problem, though: Hook’s not even scary at all. 

12. Beauty and the Beast

Image oliver__and__aida/Instagram

Clearly, this beauty and beast are besties. Look at how great they look together!

13. Dorothy and the Lion 

Image via cassieandxavi/Instagram

Really, can one ever go wrong when there’s ruby slippers and a baby lion involved?

14. Lobster, chef and baker

Image via sincerely.thesanders/Instagram

And while we’re at it, can one ever go wrong when there’s a baby lobster in a pot?

15. Jack and Sally

Image via jessiehoover_/Instagram

While the kids may be too young to watch “The Nightmare Before Christmas,” they do make for a super cute Jack and Sally

16. Superman and Supergirl

Image via meganrachelle101/Instagram

It’s a bird! It’s a plane! It’s the perfect super-sibling costumes!

17. Firefighter and a Dalmatian

Image via beccastyle/Instagram

Everybody knows it: Every good firefighter has a beloved firehouse Dalmatian

18. The Grinch and Cindy Lou Who

Image via tanillewilliamsonphotog/Instagram

We’re dead. This Grinch-themed sibling costume simply can’t be topped!

19. Old couple

Image via kimmymsu313/Instagram

While “old people” may be a generic costume, these are fantastic — and love how these kiddos are committing!