32 Cutest 3 Sibling Halloween Costumes


This post may contain affiliate links, which means I may earn a commission if you decide to make a purchase through our links, at no cost to you. You may view the disclosure here.

Halloween is just around the corner, and it's time to start thinking about costumes!

Halloween is an exciting time of the year, but it can also be a daunting task to find the perfect Halloween costume for your children, especially when you have three of them. If you're a parent struggling to come up with costume ideas for your trio of trick-or-treaters, don't worry! I've compiled a list of creative and fun Halloween costumes for 3 siblings.

Whether your kids want to dress up as a famous trio or go with a theme that ties all their costumes together, I've got plenty of 3 sibling Halloween costumes and ideas that will make your Halloween celebration a blast!

Best Halloween Costumes for 3 Siblings

One of the easiest ways to create Halloween costumes for three siblings is to dress them up as a famous trio. Below you’ll find Halloween costumes for 3 siblings from popular trios such as Mario Brothers, Toy Story, The Powerpuff Girls, and the Sanderson sisters from Hocus Pocus. Another idea for 3 sibling costumes is to choose characters from the same movie or TV show. Or, you can just choose a theme like witches or animals for 3-sibling Halloween costumes!

1. Luigi, Princess Peach, and Mario from Mario Brothers

Halloween costumes for 3 siblings Mario Brothers
Image via @_mrsmarym_

View Luigi Costume on Amazon

Luigi Costume | Princess Peach Costume | Mario Costume

These Halloween costumes for 3 siblings are all affordable and easy to buy online on Amazon. 💚❤️💓

Another option is to have one of the siblings dress up in a Toad costume for Halloween or a Bowser costume

2. Catboy, Gekko, and Owlette from PJ Masks

3 sibling Halloween costumes PJ Masks
Image via @bre.wiuff

View Catboy Costume on Amazon

Catboy Costume | Gekko Costume | Owlette Costume

These sibling costumes for Halloween are perfect for three toddlers!

3. Queen of Hearts, Alice, and The Rabit from Alice in Wonderland

Sibling Halloween Costumes Alice in Wonderland

View Queen of Hearts Costume

Queen of Hearts Costume | Alice Costume | White Rabbit Costume

Dressing up as characters from Alice in Wonderland is a great idea for a 3 sibling Halloween costume.

4. Zero, Sally, and Jack Skellington from The Nightmare Before Christmas

3 sibling costumes The Nightmare Before Christmas
Image via @jamieebragg

View Jack Skellington Costume on Amazon

Zero Costume | Sally Costume | Jack Skellington Costume

This Halloween costume for 3 siblings is also great as a brother and sister Disney costume idea!

5. Elsa, Anna, and Olaf from Frozen

3 sibling costumes Frozen
Image via Costume Works

View Olaf Costume on Amazon

Elsa Costume | Olaf Costume | Anna Costume

If you have two girls and one boy, then dressing up as Elsa, Anna, and Olaf from Frozen is perfect for Halloween!

6. Veruca Salt, Oompa Loompa, and Willy Wonka from Charlie and the Chocolate Factory

3 sibling costumes Charlie and the Chocolate Factory
Image via @lifeatthewhitehouse

View Willy Wonka Costume on Amazon

Veruca Salt Costume | Oompa Loompa Costume | Willy Wonka Costume

These Charlie and the Chocolate Factory costumes are so cute! This themed costume idea for siblings also works for 4 siblings...another kid could dress up as Violet!

7. Christopher Robbins, Pooh Bear, and Piglet

3 sibling costumes Winnie the Pooh
Image via @elizabethspindler

View Winnie the Pooh Costume on Amazon

Christopher Robbins Shirt | Winnie the Pooh Onesie | Piglet Costume

These Disney-themed Winnie the Pooh costumes for kids are so, so cute and perfect if you have two older siblings and a baby at home.

8. The Three Little Pigs

3 sibling costumes The Three Little Pigs
Image via @daughersanddreams

View Pig Costumes on Amazon

These "The Three Little Pigs" costumes work for sister sibling costumes, brother sibling costumes, and DIY Halloween costumes.

These sibling costumes also work for World Book Day costumes for kids!

9. Mike Wazowski, Sully, and Boo from Monster's Inc.

3 sibling costumes Monster's Inc.
Image via @rebecca_clark_custard

View Mike Wazowski Costume on Amazon

Mike Wazowki Costume | Boo T-Shirt | Boo Tights | Sully Costume

These Disney Halloween costumes for 3 siblings are so, so cute!!

10. The Sanderson Sisters from Hocus Pocus

3 sibling costumes for 3 sisters
Image via @jennofalltrades13

View Mary Sanderson Costume on Amazon

Sarah Costume | Winifred Costume | Mary Costume

These Disney Halloween costumes for 3 sisters are sure to win Halloween costume contests!

11. Bo Peep, Jessie, and Buzz Lightyear from Toy Story

Disney sibling costumes Toy Story
Image via @brittanymfranco

Buzz Lightyear Costume

Bo Peep Costume | Jessie Costume | Buzz Lightyear Costume

These 3 sibling Halloween costumes are all easy to shop online. 

If you love all things Disney, you may want to check out these Disney Halloween costume ideas.

12. Snow White, Dopey, and Grumpy from Snow White

3 sibling Halloween costumes Snow White and the Seven Dwarves
Image via @emishimizutew

View Snow White Costume on Amazon

Dopey Costume | Grumpy Costume | Snow White Baby Costume

These 3 sibling Halloween costumes are perfect for baby and toddler siblings!

In addition to a baby Snow White costume, Amazon sells a Snow White costume for girls and a Snow White costume for toddlers.

13. The Beast, Belle, and Chip from Disney's Beauty and the Beast

3 sibling Disney costumes Beauty and the Beast
Image via @sawyerandcolt

View Chip Costume on Amazon

Beast Costume | Belle Costume | Chip Costume

These 3 sibling Halloween costumes are so adorable!

14. Robin, Batman, and Harley Quinn 

3 sibling Halloween Costumes DC comics
Image via @katelynnocito

View Batman Costume on Amazon

Robin Baby Costume | Batman Costume | Harley Quinn Costume

These DC movie character costumes for 3 siblings are so much fun for Halloween!

15. Ghostbusters and Slimer

3 sibling Halloween costumes Ghostbusters
Image via @kathybehappy

View Ghostbusters Costume on Amazon

Ghostbuster Costume | Slimer Costume for Baby | Slimer Costume for Toddler

These Halloween costumes for 3 siblings are so much fun!! An alternative costume for a baby is to dress up as Stay Puft!

16. Ninja Turtles

3 sibling costumes Ninja Turtles
Image via @socalfunfamily

View Ninja Turtle Costume on Amazon

Ninja Turtle Costume Teens | Ninja Turtle Costume Toddler | Ninja Turtle Shell

Dressing up as Ninja Turtles are great sibling costumes for teens and toddlers alike!

17. Dorothy, Glinda, and the Cowardly Lion from The Wizard of Oz

3 sibling costumes The Wizard of Oz
Image via @_colleenrpeters_5

View Glinda Costume on Amazon

Dorothy Blue Dress | Dorothy Ruby Slippers | Glinda Costume | Cowardly Lion Costume Kid | Cowardly Lion Costume Baby

These 3 sibling costumes are so adorable! 💙 Dorothy, Glinda, and the Cowardly Lion make great Halloween costumes for siblings. Dorothy's outfit can include a blue and white checkered dress, braided pigtails, and ruby red slippers. Glinda's costume can feature a pink gown, a crown, and a wand. The Cowardly Lion can be dressed in a furry costume with a mane and tail and painted whiskers.

Amazon also sells a cute Tin Man costume, the Scarecrow costume, and the Winged Monkey costume for kids. The Wicked Witch of the West costume for kids is cute too!!

18. Skeletons

easy sibling Halloween costumes skeletons
Image via @utterly.organised.chaos

View Skeleton Costume on Amazon

Skeleton Costume Kid | Skeleton Costume Toddler | Skeleton Costume Baby

These skeleton costumes are perfect for 3 siblings to wear on Halloween night! This costume idea works for 4 siblings too! 🖤🤍

19. Aliens and Astronauts

3 sibling Halloween costumes aliens and astronauts
Image via @brittanymfranco

View NASA Astronaut Costume on Amazon

NASA Astronaut Costume | Alien Costume for Girls | Alien Dress for Toddlers | Alien Headband

This alien and astronaut Halloween costume theme for siblings is so cute!! 

20. Bo Peep and Her Sheep

Halloween costumes for 3 sisters
Image via @happilyeveralbertson

View Bo Peep Costume on Amazon

Bo Peep Costume | Sheep Costume Baby | Sheep Costume Toddler

These Halloween costumes for three siblings are absolutely adorable!!

A cute idea for three siblings' Halloween costumes could be Bo Peep and two little lambs. One sibling could dress up as Bo Peep, and the other two siblings could wear lamb costumes with soft white fleece and adorable lamb ears. 

21. Members of a Circus

sibling circus costumes
Image via apluscostumes.com

View Strongman Costume on Amazon

Strongman Costume | Lion Costume | Clown Costume for Girls | Ringmaster Costume

You can get really creative by having your kids dress up as circus characters! 

22. Wild Animals: Lion, Tiger, and Bear

Sibling Halloween Costumes Wild Animals

View Jungle Animal Costumes on Amazon

Lion Costume | Tiger Costume | Bear Costume

These jungle animal costumes for 3 siblings will keep your kids warm on Halloween.  Plus, your kids will love wearing these cozy onesies again and again for playing in and/or sleeping in! 

23. Cookies, Milk, and a Cow

3 sibling costumes with cookies, milk, and a cow
Image via @stefdbits

View Cow Costume on Amazon

Cow Costume | Baby Cookie Costume | Milk Costume

These 3 sibling costumes for Halloween are so creative!

24. Beekeeper and Bumble Bees

3 sibling costumes beekeeper and bumble bees
Image via @dmwaggoner

View Beekeeper Costume on Amazon

Beekeeper Costume | Bumble Bee Costume

This Halloween costume idea for 3 siblings is perfect if you have a toddler or kid and two babies!

25. Football Players and Cheerleaders

easy sibling DIY costumes for Halloween
Image via @theforeman5

View Cheerleader Costume on Amazon

Cheerleader Costume | Football Player Costume | Baby Football Costume

These easy DIY Halloween costumes for 3 siblings are perfect if your kids love sports! A twist of this costume idea is to dress up as a football player, a referee, and a cheerleader for Halloween!

26. Pirates

sibling costumes pirates
Image via Amazon

View Pirate Costume on Amazon

Pirate Boy Costume | Pirate Girl Costume | Pirate Costume Accessories for DIY costumes

For DIY pirate costumes for 3 siblings, you can have your kids wear bandanas, eye patches, and black and red t-shirts. Amazon also sells cute pirate costumes for kids and toddlers too!

27. Cat, Mouse, and Cheese

sibling DIY costumes
Image via @dshawvaccariello

View Cat Costume Accessories on Amazon

Cat Costume Accessories | Mouse Costume Accessories | Mouse and Cheese Costume for Toddlers

These sibling costumes are perfect for toddlers and small kids!

28. Ninjas

For DIY ninja costumes for three siblings, get creative with fabric and black clothing. Or, you can create DIY ninja costumes for three kids.

29. Zombies

Your kids can have fun dressing up as Zombies for Halloween. All you need for these DIY costumes for 3 siblings are old clothing and some good Zombie makeup.

30. Dalmatians

3 sibling costumes Dalmatians
Image via @li_niphotography

View Dalmatian Costume Accessories

Whether your kids want to wear tutus, white sweatpants with velcro dots, or a Dalmatian onesie - these DIY sibling costumes are so cute!

31. Deer

These DIY deer costumes are so easy for 3 sisters to wear on Halloween night. All you need are light brown or dark brown pants with matching long sleeve shirts and cute antler headbands.

sister sibling costumes deer
Image via @theginger.and.snaps

View Deer Antlers on Amazon

32. Cute Witches

If you have three girls, they will love dressing up as cute witches for Halloween as siblings! Or, check out these sister Halloween costumes for more ideas!

3 sibling DIY costumes witches
Image via @shopbabywaves

View Witch Hats on Amazon


In conclusion, Halloween is an excellent opportunity to let your children's creativity run wild.

Whether you choose to dress them up as a famous trio, follow a specific theme, or create DIY costumes, the most important thing is to have fun!

Have a great time shopping for Halloween costumes for three siblings. Your kids will have so much fun dressing up. Happy Halloween!

More Sibling Halloween Costume Ideas

Disney Sibling Costume Ideas

Brother and Sister Costume Ideas - Pinterest

Sibling Costume Ideas - Pinterest

See All Kids Halloween Costume Ideas

Similar Posts