26 Iconic 3 person Halloween Costumes For Your Besties

Have fun with your friends this Halloween with these group costume ideas!

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Photo of three women dressed as black cats for Halloween
Photo: @morganhoff on Instagram

Have you and your friend group been looking for the perfect Halloween costumes for this year? If so, you might want to consider doing a group Halloween costume.

Group Halloween costumes will make going out on Halloween so much more fun with your best friends! But if you have three people in your group, you might be looking for a good 3 person Halloween costume, and that’s where we come in.

And, to help you and your friends in your search for a fun costume to wear that you can all take part in this year as a group, I have compiled a list of 20 different 3-person costume ideas to get you super excited for Halloween!

26 Iconic 3 Person Halloween Costumes For Your BFFs

1. Barbies

Barbie has been a really popular costume idea because of the recent Barbie movie. So, if you and your friend are obsessed with the Barbie movie, you may want to all dress up as Barbies this year!

The easiest way to do this by getting matching Barbie shirts as well as wearing all pink to fit the Barbie vibe.

You can even make this costume more fun by adding pink tutus to your costumes!

2. Three Blind Mice

Another super cute costume idea for you and your friends is the three blind mice. This will work perfectly if you are in a friend group with three people!

For this costume, all three of you will be dressed in all black and wearing matching mouse ears with sunglasses. So simple and so cute!

3. Cheerleaders

You and your friends can also be cheerleaders this Halloween by purchasing matching cheerleading uniforms!

For example, a cheerleading costume like these with a cute crop top and skirt will be just what you and your friends need to be matching on Halloween as cheerleaders. This two-piece Cheerleader set from Amazon is adorable and comes in a ton of different colors.

4. Pooh and Friends Onesie Costumes

Another fun idea for a Halloween costume for a friend group is Pooh and Friends. For example, if you have a group of three friends, you could all wear a onesie based on different characters from Winnie the Pooh. Onesie costumes are so comfortable and warm!

If this sounds like something you and your friends would be interested in, you should totally check out this piglet onesie based on the character from Winnie the Pooh. There are also Pooh, Tigger, Kanga, and Eeyore versions for your friends to choose from.

5. Three Witches

One other fun and super cute costume for a group of three friends would be dressing up as three witches.

For example, you and your friends can totally all dress as witches but wear different colors so that each of you stands out, as shown by the costumes in this photo.

Above, the costume is supposed to be Flora, Fauna, and Merryweather from Sleeping Beauty, but you could also channel the Sanderson Sisters or do witch costumes in your favorite colors.

6. Powerpuff Girls Costumes

Another great costume idea for your friend group, if you are a trio, would be the Powerpuff Girls. If you are a fan of Y2K, run, don’t walk, to grab these costumes for this year.

For this costume, each of you will dress up as one of the Powerpuff Girls, so you will each have a different colored dress to fit the color of the Powerpuff Girl you are dressing up as.

If you are considering wearing 3-person Halloween costume, I definitely recommend purchasing these super cute colored dresses from Etsy to make it easy.

7. Monsters Inc. Onesies

Another group costume that you should consider is Monsters, Inc. You can totally also get onesies based on Monsters, Inc. characters, like the onesie shown above.

You could all dress up as the same character or mix it up and each dress up as a different character. The choice is yours.

8. Inflatable Costumes

Another super fun and silly costume that you may not have thought of for this Halloween is an inflatable costume like this flamingo costume.

This would be a super fun way to match with your friends on Halloween and wear a super silly outfit that you will definitely stand out in.

So, if you are interested in checking out some inflatable costumes for you and your friends, I definitely recommend this flamingo costume! You guys will look so funny on your matching flamingos.

9. Skeleton Costumes

Of course, dressing up as a skeleton is another popular Halloween costume choice. So, if you and your friends are considering dressing up as skeletons, you can totally do that this Halloween by purchasing three of these skeleton onesies!

This is a super easy but fun way to match with your friends this Halloween!

10. Bank Robber Costumes

You and your friend group might also be interested in dressing up as robbers this Halloween. This is also a costume that works great for a group of friends because you can all match pretty easily.

All you need is this robber costume set, and you will be able to achieve this costume this Halloween! This set comes with a beanie, mask, gloves, and a bag so that you and your friend group will really look like robbers this Halloween.

11. Rock Paper Scissors Costumes

If you want to go the super silly route with your friends this Halloween, I recommend wearing this rock, paper, scissors 3-person costume!

With this costume, each of your friends will have your own unique item so that each of you stands out. However, you will be able to still go together as a group.

So, if you are feeling the fun and silly vibes for this Halloween, make sure you and your friends check out this group costume.

12. Pizza Costumes

You and your friends can also do silly matching costumes this Halloween with this pizza slices costume idea!

This is a super simple costume, but it will make sure that you and your friends have a really fun time together on Halloween. Everyone will smile when they look at you!

So, if you are looking for a simple but super fun costume to wear this Halloween, definitely check out this pizza slices group costume.

13. Finding Nemo Characters

If you are a fan of cartoon movies or movies that bring up feelings of nostalgia, you might be interested in this group costume for you and your friends.

This group costume is based on the movie Finding Nemo. For this costume, each of your friends can dress up as their favorite character from the Finding Nemo movie.

For example, you will love dressing up as Dory as part of this group costume with a cute blue tutu and matching blue top. Or go as Nemo or Nemo’s dad in orange and white.

And don’t forget to add some fun costume makeup to complete this look!

14. M&Ms

Another simple but fun costume you may not have considered is dressing up as M&Ms.

For this group costume, all you and your friends will need is matching M&M t-shirts. And you can even make it more fun by each wearing a different colored M&M shirt! The link above has this simple shirt in a bunch of different colors — easiest costume ever.

15. Ghostbusters

For those of us looking for a group costume that will be super fun and memorable, I recommend checking out this Ghostbusters group costume.

With this costume, you and your friend group will each dress up as a ghostbuster with a matching suit and accessories to really make you look like a ghostbuster from the film! You can each buy the costume on Amazon here.

16. S’Mores Costume

If you like the idea of dressing up as treats for Halloween, you can also go with this group costume idea.

For this group costume idea, you and your friends will dress up as a s’mores treat! To do this, you will each have different costumes that will come together to make s’mores.

For example, you might be dressed as a marshmallow while your other friend is dressed as a piece of chocolate!

17. Minions

If you love the minion movie like I do, you might also want to consider dressing up as minions with your friends this Halloween!

To dress up as minions, you and your friends will need to wear yellow beanies based on the minions with a matching yellow t-shirt to complete the look. This is a fun little DIY costume that won’t cost a lot to do.

18. Alice in Wonderland Characters

You and your friends might also be interested in dressing up as characters from Alice in Wonderland.

For this group costume, you can each dress up as your favorite character from the story. For example, you may want to dress up as the Queen of Hearts with a cute red dress while your friend dresses up as Alice with a blue dress! You can even have one of your friends dress up as the mad hatter or the Cheshire cat!

19. Super Mario Bros Characters

For those who love Super Mario Bros., you can also dress up as characters from the video game this Halloween!

This is a great costume for three because there are so many different characters from the Mario video games to choose from. For example, you may want to dress up as Luigi in a green outfit while your friend dresses up as Mario in a red outfit. Then one of your friends could also dress up as Princess Peach in a pink dress!

20. Black Cats

One of the most common costumes for Halloween is the black cat costume. So, if you and your friends have been considering dressing up as black cats for Halloween, I definitely recommend checking out this costume inspo!

Even though this costume is super popular for Halloween, you and your friends can stand out with fun accessories and cute black outfits to put together the best black cat costumes for your friend group! They say bad things come in threes, after all!

21.  Angels and Devils

This costume references the eternal battle between good and evil, wrapping it in a fun, festive package suitable for all Halloween enthusiasts. One person dons a purely white, ethereal angel costume, complete with wings and a halo, symbolizing virtue and innocence. In contrast, another embraces the dark, mischievous devil look with red, horns, and a pointed tail, representing mischief and rebellion. 

The third person can choose to be another angel or devil, or perhaps a neutral character like a judge or a mediator, creating a dynamic, visually appealing group that’s sure to turn heads at any Halloween gathering.

22.  Pool Float Costumes

Transforming participants into vibrant, oversized pool floats, this costume ensures a wave of enjoyment and nostalgia reminiscent of summertime adventures. 

Whether choosing to become flamboyant flamingos, unicorn floats, or playful rubber duckies, each person becomes a floaty, creating a buoyant and lighthearted group ensemble. This theme allows for a cascade of colors and shapes, ensuring a whimsical, eye-catching trio that brings the joy of summer to any Halloween celebration.

23.  Milkshake Costumes

This attire serves up a deliciously fun and whimsical 3 person Halloween costume, blending retro vibes with sweet charm. Each person transforms into a towering milkshake, complete with whipped cream and a cherry on top, representing different flavors like strawberry, chocolate, and vanilla. 

The costumes swirl with vibrant colors, while optional accessories like straws and sprinkles add an extra scoop of fun. 

This theme not only offers a visual treat but also stirs up nostalgia for classic diners and summer days. Whimsical and delightfully sweet, the milkshake costumes promise to shake up any Halloween festivity, ensuring your trio brings a flavorful impact to the party.

24.  Hocus Pocus

Immerse your trio into the enchanting and mischievous world of one of Halloween’s most beloved films, making it a magical pick for 3 person Halloween costumes. Each person takes on the role of one of the iconic Sanderson sisters – Winifred, Sarah, and Mary – weaving a spell of fun and nostalgia wherever they go. 

With their distinctive dresses, spellbinding accessories, and character-specific hairstyles, your group will conjure memories of the classic movie, embodying the spirit of a whimsical and slightly spooky Halloween. 

Whether you’re reciting spells, singing enchanting tunes, or searching for the children of Salem, these costumes ensure your group bewitches every Halloween gathering with a perfect blend of mischief and charm.

25.  Clueless Halloween Costume

Invite your trio to step into the high-fashion, witty world of 90s Beverly Hills. It’s a fabulous choice for a 3 person Halloween costume. Channeling the iconic characters – Cher, Dionne, and Tai – each person gets to don chic, plaid mini-skirts, knee-high socks, and vibrant blazers, truly embodying the quintessential 90s fashionista vibe. 

With their sassy attitudes, memorable quotes, and enviable wardrobes, your group will undoubtedly turn heads, sparking nostalgia and admiration at any Halloween event. Whether you’re debating the merits of high-end shopping or navigating the complexities of teenage life, these costumes ensure your trio is, without a doubt, the most fashion-forward and utterly classic group at the party.

26.  Fairly Oddparents

Embracing the roles of Timmy Turner, and his quirky fairy godparents, Cosmo and Wanda, each member adopts a playful and colorful persona. Timmy, with his iconic pink hat and a bewildered expression, partners with Cosmo and Wanda, donned in their vibrant, green and pink outfits, complete with floaty crowns and wands. 

This ensemble not only brings to life the beloved animated series but also ensures a playful, imaginative, and undeniably fun group theme. Whether you’re granting wishes or navigating through magical mishaps, your trio is sure to enchant and amuse at any Halloween celebration, providing a nostalgic trip back to the animated realms of our youth.

What do you think of our 3 person Halloween costumes?

What is your favorite group costume idea? Will you be doing a group costume with your friends this year?

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