20 Creative Group Costume Concepts for Halloween

With Halloween approaching, it's the perfect time to brainstorm the most exciting group costume ideas for you and your crew. Whether you're attending a Halloween celebration, going trick-or-treating, or competing in a costume contest, the secret to standing out lies in originality, teamwork, and a hint of fun.

We’ve compiled a list of ideas that range from eerie to adorable and everything in between. Plus, many of these concepts can be created using items you already own — now that’s a bonus!

Continue reading to discover how you and your friends can transform into your favorite characters or real-life personalities with these group costume ideas.

1. Spice Girls

Attention all '90s enthusiasts! The Spice Girls make for an iconic group costume that’s both entertaining and stylish. Featuring five unique personas — Scary, Sporty, Baby, Ginger, and Posh — this theme lets everyone showcase their individuality.

This costume is ideal for a Halloween girls' night out. Break out your platform shoes, find those glittery boots, and channel some serious girl power.

2. Ghostbusters

Who are you going to call? Whether your group consists of four or more, this Ghostbusters-themed Halloween costume is guaranteed to turn heads. For added fun, include someone as Slimer or the Stay Puft Marshmallow Man.

Equipped with proton packs and the classic beige jumpsuits, your group will be fully prepared to tackle any eerie scenario that comes your way. Don’t forget to perfect your ghost-busting poses — they’ll be essential for those costume contest snapshots!

3. The Barbie Crew

With the recent "Barbie" movie release, now is the perfect opportunity to embrace a Barbie-themed group costume. Whether you recreate timeless Barbie styles from different decades or add a few Ken dolls for variety, these Halloween ideas are perfect for adding some glamour to your night.

Embrace pink hues, shimmer, and plenty of glitter to nail the look.

4. Rock Legends

Why not embody your favorite music legends this Halloween? Dress up as The Rolling Stones, The Beatles, or even the flamboyant rock band KISS. Each person in your group can choose a famous musician to portray, complete with wigs, bold makeup, and extravagant costumes. Your group will undoubtedly be the most electrifying at any Halloween event.

5. Wizard of Oz

Prepare to journey down the yellow brick road with one of the most timeless group Halloween costume themes. Featuring Dorothy, the Tin Man, the Cowardly Lion, and the Scarecrow, this legendary ensemble will whisk everyone away to the enchanting land of Oz. For an added touch, consider including Toto, Dorothy’s cherished dog.

6. Avengers

When unsure, opt for superhero costumes. Marvel’s Avengers offer the perfect group Halloween theme. With iconic characters like Iron Man, Thor, Captain America, and Black Widow, each member of your group can transform into their preferred superhero. The best part?

Not only will you look incredible, but you’ll also feel empowered to save the world — or at least dominate the Halloween party.

7. Ash, Misty and Brock

Attention Pokémon enthusiasts! Transform into Ash, Misty, and Brock, the legendary trio of Pokémon trainers. Whether you’re sporting Ash’s iconic hat, Misty’s signature ponytail, or Brock’s dependable vest, this group costume is ideal for Halloween festivities and Pokémon adventures. Don’t forget to bring along a Pikachu plush to perfect the ensemble.

8. Scooby-Doo and the Gang

Scooby-Doo and the Mystery Inc. crew have been unraveling eerie mysteries for generations, making them a timeless group costume choice for Halloween. Dressing up as Scooby, Shaggy, Velma, Daphne, and Fred ensures this idea remains a crowd-pleaser. And if you have a dog, they’re the perfect candidate to play Scooby!

9. Harry Potter and Friends

Attention all Harry Potter enthusiasts! Assemble your wands and robes to transform into the iconic trio: Harry, Ron, and Hermione. For larger groups, include Death Eaters or Hogwarts professors to create a magical ensemble that will captivate everyone at your Halloween event.

Remember to accessorize with house scarves and wands for an added layer of authenticity!

10. The Addams Family

For a costume that’s eerie, quirky, and delightfully strange, the Addams Family is an excellent choice. From Gomez and Morticia to Wednesday and Uncle Fester, each character boasts a unique style that’s guaranteed to make an impression. This timeless Halloween theme works wonderfully for family groups or friends embracing their gothic side.

11. Minions

If your goal is to be the most adorable group at the party, consider dressing up as the Minions from the "Despicable Me" series. Slip into some overalls, yellow tops, and goggles, and you’re all set!

This playful and straightforward costume works wonderfully for both adults and children. Plus, you’ll enjoy the comfort of embodying these endearing characters.

12. 'Stranger Things' Friends

Take your group into the Upside Down by transforming into the beloved characters from "Stranger Things." Whether you’re channeling Eleven’s iconic pink dress or Dustin’s classic baseball cap, these costumes bring a nostalgic and eerie vibe to your Halloween festivities.

13. Super Mario Characters

Looking to dominate the Halloween costume competition? Elevate your game by transforming into the Super Mario squad. Whether you choose Mario, Luigi, Princess Peach, or Bowser, the iconic characters from this legendary video game offer endless possibilities.

The best part? These costumes are universally recognizable, ensuring they’ll be a crowd favorite at any Halloween gathering.

14. The Flintstones Family

Travel back in time with a group costume inspired by "The Flintstones." Dress as Fred, Wilma, and Pebbles to recreate the beloved prehistoric family, or include Barney, Betty, and Bamm-Bamm to round out the entire cast. This theme is perfect for families or friend groups seeking a fun, easy, and low-effort costume idea.

15. The Plastics From 'Mean Girls'

On Wednesdays, pink is the dress code. Naturally. Assemble your crew and transform into the Plastics from "Mean Girls" — Regina George, Karen Smith, and Gretchen Wieners. This costume is ideal for a girls' night out, and the outfits are simple to put together using items from your wardrobe. Add a touch of sass, and you’ve got the ultimate group Halloween ensemble.

16. The 'Toy Story' Gang

Gather your friends and dress up as characters from "Toy Story." With options like Woody, Buzz, Jessie, and Bo Peep, this group costume idea is perfect for both kids and adults. It’s also a fantastic way to revisit one of your favorite animated classics.

17. The Golden Girls

Searching for a group Halloween costume that’s both funny and nostalgic? The iconic ladies from "The Golden Girls" are a surprisingly brilliant pick! Transform into Blanche, Dorothy, Rose, and Sophia, and you’ll be the wittiest group at the event. Extra credit if you deliver some of their classic zingers.

18. 'Jurassic Park' Dinosaurs and Doctors

Whether you’re a dinosaur enthusiast or simply adore the "Jurassic Park" series, this group costume idea is sure to make a splash.

Some can dress as Dr. Grant, Dr. Sadler, or Dr. Malcolm, while others can embody dinosaurs like the fearsome T-Rex or a pack of velociraptors. It’s an exciting and versatile theme that’s perfect for Halloween.

19. 'Alice in Wonderland' Characters

Dive into the whimsical world of "Alice in Wonderland" with a group costume inspired by the beloved tale. Transform into Alice, the Mad Hatter, the Queen of Hearts, the White Rabbit, and other iconic characters.

With so many vibrant and fantastical characters from this timeless story, you can create an impressive group costume for 10 or even 20 people — a fantastic option if you’re organizing a larger team or workplace event.

20. The Sanderson Sisters From 'Hocus Pocus'

Want a bewitching theme? The Sanderson Sisters from "Hocus Pocus" are the perfect blend of spooky and fun for a group costume. Grab your broomsticks and embody the unique styles of Winifred, Sarah, and Mary.

This idea works wonderfully for a trio, and you can even include someone as Binx, the talking black cat, to complete the group. For added flair, perform "I Put a Spell on You" to delight everyone at the party.