What’s cuter than one adorable kid in a Halloween costume? Coordinating Halloween costumes for all of your kids, of course! We’ve rounded up 23 of the most creative, beloved sibling Halloween costume ideas just in time for the spookiest time of year. From super-easy to pull together to semi-advanced, there’s something in here for everyone. Happy haunting!
1. The “Inside Out” emotions
“Inside Out 2” is one of the most populated animated films ever, and it just so happens to have a cast of creative characters perfect for a sibling Halloween costume.
2. Taylor Swift’s eras
Taylor Swift’s Eras tour took the world by storm in 2023 and 2024. With 10 different “eras” to choose from, the potential combinations for some adorable Taylor Swift sibling Halloween costumes are endless!
3. Cast of “Grease”
All we can say is: Wow! Not only is the cast of “Grease” a great sibling costume idea, these kids are nailing the poses.
4. Carl and Russell from “Up”
We loves these sibling Halloween costumes — and the movie “Up.” Adventure is out there for sure!
5. Ghosts
Not only are these ghost sibling costumes for Halloween super simple to pull together, if you have three kiddos, you can refer to them as “The Three Ami-ghosts.”
6. Football player and football
Touchdown! If you’ve got a little one who’s, well, little, this football player/football costume is perfect — and cozy — for siblings.
7. Football player and reporter
If your kids are a little closer in age, try going with a football player and ESPN reporter — very easy to throw together!
8. Lilo & Stitch
Whether you’ve got besties on your hands or siblings, going as Lilo and Stitch is always a good idea.
9. Three good fairies
Forget Cinderella! This trio of good fairies — Flora, Fauna and Merryweather — is a sibling Halloween costume for the books!
10. Jasmin, Aladdin and Abu
Everything about these “Aladdin” brother and sister Halloween costumes are perfect — but look at that sweet little Abu! What a cutie!
11. Cops and robbers
Take your little one’s police officer costume to the next level by adding an adorable and miniature crook. Cutest little cops and robbers!
12. Little Red Riding Hood and the Big Bad Wolf
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.
13. Mario Brothers
One of the best things about this Mario Bros. sibling Halloween costume? There’s very little potential for arguing over who’s who.
14. Alvin and the Chipmunks
These kids and their cute pup pulled together to make an amazing Alvin and the Chipmunks trio. Awww, the band’s all together!
15. Ghostbuster and Stay Puft Marshmallow Man
The ghostbuster is ridiculously cute, but let’s be honest here, is there anything more adorable than a baby Stay Puft Marshmallow sidekick?!
16. Rainbow and rain cloud
First comes the rain cloud … and then a sweet baby rainbow! This sibling duo is too cute for words.
17. Peter Pan and Captain Hook
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.
18. Beauty and the Beast
Clearly, this beauty and beast are besties. Look at how great they look together!
19. Dorothy and the Lion
Really, can one ever go wrong when there’s ruby slippers and a baby lion involved?
20. Superman and Supergirl
It’s a bird! It’s a plane! It’s the perfect brother-sister Halloween costume!
21. Firefighter and a Dalmatian
Everybody knows it: Every good firefighter has a beloved firehouse Dalmatian.
22. The Grinch and Cindy Lou Who
We’re dead. This Grinch-themed costume simply can’t be topped!
23. Older couple
While “older people” may be a generic costume, these are fantastic sibling Halloween costumes — and love how these kiddos are committing!
