This post may contain affiliate links, which means I’ll receive a commission if you purchase through my link, at no extra cost to you.
Trio Halloween Costumes are where friendship and creativity collide.

It’s that group chat moment when you and your two ride or dies are scheming how to own the party and turn heads all night long. From nostalgic pop culture throwbacks to clever DIY spins, these costume ideas are made for squads who refuse to blend in.
Doesn’t matter if you’re channeling the Powerpuff Girls, bringing Mean Girls sass, or giving fairytale icons a spooky twist, you’ll find a trio look here that’s guaranteed to be unforgettable.
Trio Halloween Costume Ideas
1. Groovy 70s Disco Divas

Credit: Pinterest
GET THE LOOK:
Nothing says squad goals like going full retro glam. These psychedelic prints, bold colors, and statement white go go boots are bringing all the retro dance floor vibes.
2. Mario, Luigi + Princess Peach

Credit: Pinterest
GET THE LOOK:
Princess Peach | Mario | Luigi
One of the most iconic trios. This Super Mario themed costume is a total throwback.
3. The Spice Girls

Credit: Pinterest
GET THE LOOK:
Leopard Print Pant Suit | Union Jack Dress
If your group is all about girl power, this one’s for you. Pick your fave Spice Girl and serve up some serious ‘90s energy.
4. Mermaid Besties

Credit: Pinterest
GET THE LOOK:
This look is straight out of an under the sea fantasy. Matching iridescent scale sets, glittery shoulders, and seashell hair accessories?
5. The Golden Girls

Credit: Pinterest
GET THE LOOK:
Old but gold, literally. This hilarious and heartwarming throwback is perfect if your trio wants to go full character mode.
6. Hawaiian Hula Girls

Credit: Pinterest
GET THE LOOK:
Say aloha to one of the easiest and cutest group costumes.
7. White Claw Trio

Credit: Pinterest
GET THE LOOK:
Shorts
Dress as your fave White Claw flavor and get ready to be everyone’s favorite “refreshment” at the party.
8. Devil + Angels

Credit: Pinterest
GET THE LOOK:
White Wings | Horns | Black Wings | Halo
A Halloween classic with a little edge. One devil, one dark angel, one light angel, it’s the ultimate “good girl gone bad” vibe. It’s sultry, iconic, and never goes out of style.
9. Sanderson Witches

Credit: Pinterest
GET THE LOOK:
Sistaaaahs! Bring the Sanderson Sisters to life with this magical trio look.
10. The Powerpuff Girls (Trendy Version)

Credit: Pinterest
Take the classic cartoon trio and give them a stylish 2025 twist.
11. Money Heist Girls

Credit: Pinterest
GET THE LOOK:
Channel your inner heist queen with this bold and badass look. Red jumpsuits, black masks, and a hint of rebellion?
12. Fairy Core Trio

Credit: Pinterest
GET THE LOOK:
Dresses | Flower crowns | Wings
Soft, dreamy, and full of whimsy, this fairy trio look is perfect for anyone who loves that cottagecore meets cosmic energy.
13. Angel Duo

Credit: Pinterest
GET THE LOOK:
For a simpler but still iconic take on the heavenly look, this black and white angel combo is equal parts cute and cool.
14. Disney Princess Squad

Credit: Pinterest
GET THE LOOK:
If you and your friends grew up obsessing over Disney movies, this is your dream come true.Each princess gets to show off her own style, and together? You’re basically a walking fairytale.
15. The Incredibles

Credit: Pinterest
GET THE LOOK:
Superhero mode: activated. This trio costume is perfect for a bold, coordinated look that’s comfortable and easy to move in (ideal for dancing or chasing snacks). Plus, the matching masks are such a vibe.
16. Cowgirls

Credit: Pinterest
GET THE LOOK:
Plaid shirts | Boots | Hat
This country themed look is a whole vibe for squads who love a little denim, a lot of plaid.
17. Teletubbies

Credit: Pinterest
GET THE LOOK:
If your trio is all about having fun, this nostalgic throwback is hilarious and easy to recreate. Get ready for a lot of “OMG I used to watch that!” at every party.
18. Winnie The Pooh Crew

Credit: Pinterest
GET THE LOOK:
If you loved Winnie, Tigger, and Piglet, growing up, then you’ll love this grown up take.
19. Mean Girls

Credit: Pinterest
GET THE LOOK:
You can sit with us. Mean Girls trio outfits are such a vibe if you’re going for preppy, coordinated, and instantly recognizable. Bring the Burn Book, throw in some attitude, and you’re set.
20. Celestial Trio (Sun, Moon, Stars)

Credit: Pinterest
This one’s artsy, mystical, and actually super easy to pull off. Each person brings their own energy, radiant sun, glowing moon, and twinkly star, and together, you’re the whole galaxy.
21. Alvin + The Chipmunks

Credit: Pinterest
The Childhood Classic is back and looking extra adorable.
22. Barbiecore Trio

Credit: Pinterest
GET THE LOOK:
This is the look of the year if you and your girls are obsessed with all things pink, sparkly, and on trend.
23. Three Blind Mice

Credit: Pinterest
GET THE LOOK:
Simple, cheeky, and absolutely adorable. This all black trio look puts a glam spin on a classic nursery rhyme.
24. Top Gun Aviators

Credit: Pinterest
GET THE LOOK:
This pilot duo look is a certified Halloween classic, equal parts cool, confident, and full on badass.
25. Firefighter Trio

Credit: Pinterest
GET THE LOOK:
This fiery trio is bringing the heat, literally. The sparkle, the hats, the confident poses? It’s giving first responder glam
Other Post You May Like:
23 Brilliantly Easy Halloween Costumes You’ll Want to Steal
