Halloween is almost here, and if you’re anything like me, you’ve already started assembling your best friends’ ultimate costume lineup.
But when you can kill as a trio, why settle for solo?
I’ve compiled the most amazing trio costume ideas that are ideal for college students and beyond, whether you’re seeking to embrace your inner superhero, stir up some eerie mayhem, or just add a little fun to the festivities.
Prepare to draw attention, create memories, and most of all, have a great time—this year, it’s all about uniting with your squad!
35 BEST Trio Halloween Costumes:
1. Kiss, Marry, Kill
The focus of this trio is light-hearted mischief with a dash of flirting!
A buddy dresses up as a bridesmaid and gets ready to “Kill” with a pretend knife, another friend plays it cool with shades and a “Kiss” tag, and so on. Each friend adopts a different role.
This hilarious costume idea is sure to make people laugh, and it might even spark some disputes!
2. Thing 1, 2, and 3
These three colourful “Things” will make you feel like Dr. Seuss!
These three are prepared to add chaos and fun to any Halloween party since they are decked out in striking red costumes and vivid blue wigs.
Perfect for anyone who wants to stand out in the crowd, this unique and classic group costume is simple to put together but has a great impression!
3. Hocus Pocus’ Sanderson Sisters
The Sanderson Sisters’ enchantment is brought to life by this timeless trio.
These witches are prepared to make an impression on Halloween thanks to their striking hues, capes, and distinctive hairstyles.
This costume is a nostalgic reference to one of the most beloved Halloween films ever made, whether you’re Winifred, Sarah, or Mary.
4. Velma, Daphne, and Scooby
With the help of this recognisable Scooby-Doo team, discover which Halloween costumes are the best!
Daphne looks stunning in her purple dress and green scarf, Velma rocks her distinctive glasses and orange turtleneck, and Scooby is the adorable and silly dog decked out in a full-body costume.
It’s a huge crowd-pleaser and the ultimate nostalgia for everyone who grew up watching the group solve mysteries!
5. Angel/Devil Trio
This celestial and terrible trio, consisting of a white angel, a crimson demon, and a black dark angel, perfectly balances good and evil.
This outfit allows you to show off your dual personality to your friends, whether you’re feeling a little more wicked or heavenly.
It’s a classic option that’s guaranteed to please this Halloween!
6. Disney Princesses
Prepare to embrace your inner regal side with this trio of princesses!
This costume set is all about embracing your favourite childhood dreams, whether you’re feeling like Belle in her golden gown, Cinderella in her shining silver robe, or Aurora in her gorgeous pink attire.
You’re ready to take over the Halloween scene with elegance and glitz if you add some tiaras. Just make sure to depart before the clock strikes midnight!
7. Minions
These adorable, cosy and ideal for everyone who enjoys a little mischief costumes are dressed in denim dungarees and yellow tops.
Remember to always have one or two bananas on you for a snack and to finish the ensemble.
This is a simple yet instantly recognisable costume design that makes people smile every time!
8. Alice in Wonderland
With this trio of Alice in Wonderland, enter a whimsical universe.
In her timeless blue frock, Alice exudes style and sweetness, while the White Rabbit, with her fluffy ears, is primed to join the celebration. By donning an outrageous hat and ensemble, the Mad Hatter injects humour and craziness into the scene.
This is a terrific discussion starter at any Halloween party and is ideal for anyone who like a little fantasy and fun.
9. Wizard of Oz
Go down the yellow brick road with this enchanted trio from The Wizard of Oz!
With her gingham outfit and ruby red slippers, Dorothy looks adorable.
With her wand and crown, Glinda the Good Witch exudes glamour, while the Wicked Witch brings a touch of drama with her pointed hat and all-black attire.
It’s a fun and sentimental option that will make everyone want to click their heels together!
10. Three Blind Mice
These three are the trendiest “blind mice” around; they look great in black skirts, sunglasses, and mouse ears.
Posing stylish and slightly sassy canes, they are prepared to handle any Halloween gathering.
This costume is usually a success because it’s smart and simple to execute!
11. Disco Cowgirls
Get ready for a fun-filled evening with this trio of glamorous cowgirls!
These women combine elements of disco and classic country style; picture sparkly skirts, cowboy hats, and dancing-ready white boots.
Bringing the yee-haw enthusiasm with a dash of glitter is the main goal of this outfit, whether you’re hitting the dance floor or the saloon.
12. The Pink Ladies
With this fierce Pink Ladies trio, go all Grease!
This style is iconic and incredibly simple to pull off, whether you’re channelling your inner Rizzo, popping bubble gum, or striking a pose.
This look is completely stunning, complete with leather leggings, a matching pink jacket, and an attitude to match.
Prepare to own the Halloween party or the school in this classic yet stylish ensemble!
13. Bratz Dolls
These Bratz-inspired outfits will let you bring your favourite stylish dolls to life.
These ensembles are all about that Y2K nostalgia, complete with clunky boots, vivid designs, and miniskirts.
To finish the appearance, don’t forget the iconic Bratz lip logo and other amazing accessories.
14. Dallas Cowboys Cheerleaders
With these costumes of the Dallas Cowboys cheerleaders, you can cheer your way into Halloween.
These women are all about the glamorous stardom, complete with loads of fringe, blue and white outfits, and white boots.
Ideal for displaying your team spirit and bringing the energy of a halftime show from a game to the Halloween celebration.
You will undoubtedly be the night’s biggest stars!
15. Starbucks Cups
This trio is making some fun as Starbucks cups, so call all you coffee lovers!
These costumes are adorable, witty, and perfectly on-brand for all the coffee addicts out there, complete with matching oversized t-shirts and cup size names.
This is a straightforward yet incredibly funny group costume that will provide some humour to any Halloween party.
16. Clueless
With their headbands, knee-high socks, and preppy plaid skirts, this trio from Clueless is clearly recognisable.
This costume pays homage to one of the most fashionable films of the 1990s, whether you’re channelling Tai’s cute yet edgy appearance, Cher’s yellow ensemble, or Dionne’s dramatic black and white ensemble.
Ideal for any party looking to add a touch of Beverly Hills glitz to their Halloween costumes.
17. Mean Girls
Wednesdays are when we wear pink!
Serving up all the drama and style from the beloved high school movie are these Mean Girls.
With your miniskirts, crop tops, and all-pink ensemble, you’ll be sure to rule the Halloween party whether you’re Gretchen, Karen, or Regina.
People will want to sit with you, so be cautious what you write in that Burn Book!
18. Lime, Tequila, and Salt
The key to this group costume is to bring the three necessary for a good time: salt, lime, and tequila!
Whether you want to dress up as a salt particle, a bottle of tequila, or a zesty lime, this costume is as cool as a perfectly mixed margarita.
For pals who enjoy mixing things up on Halloween, this is a hilarious and inventive option!
19. Winnie the Pooh
Prepare yourself for a delightful journey through the Hundred Acre Wood with this trio of Winnie the Pooh!
This outfit is adorable and cosy, perfect for portraying your favourite characters: Pooh in his red shirt, Eeyore in his gloomy blue, or Piglet in his pink stripes.
If you want to add a little piece of magical childhood to your Halloween night, this is the ideal option.
20. Hooters Girls
Bring the party wherever you go in this outfit, which features their signature orange shorts, white tank tops, and lots of attitude.
This look is flirtatious, playful, and instantly recognizable—whether you’re flicking your hair or your wings.
Get ready for an enjoyable evening that may even include some advice!
21. Batman Universe
Bring this powerful trio from the Batman universe into the Gotham City scene!
With Batwoman poised to take on criminal activity, Harley Quinn contributing her trademark crazy, and the Joker sporting his trademark green hair and twisted smile, this trio is all about having fun with a dash of chaos.
For those who enjoy a good dose of villainy mixed with heroism, this is the ideal outfit.
22. Sun, Moon, and Stars
With these outfits for a celestial trio, shine brightly!
The Sun, which radiates warmth and light, the Moon, which is enigmatic and casts a chilly, silver glow, and the Stars, which twinkle in a galaxy of joy, are the three of you.
When you all join together, you create an incredible gang that can brighten any Halloween night.
For those who wish to incorporate some magic into their costumes, this dreamy, ethereal style is ideal!
23. Rock, Paper, Scissors
This amusing Rock, Paper, Scissors trio will end all of your conflicts!
You are three things: a sharp sheet of paper, a sturdy rock, and a pair of state-of-the-art scissors.
This easy, ingenious, and humorous outfit is sure to make people laugh and possibly even start some games.
24. Girl Scouts
Get your badges while having a good time in these vintage outfits!
These girls are all set to sell cookies and receive comments, sporting adorable uniforms and ribbons adorned with badges.
For those looking to keep things light and fun for Halloween, this is a charming and innocent costume idea.
But keep in mind that a celebration wouldn’t be complete without cookies!
25. Fairies
Add a touch of magic with this captivating set of three fairies!
With their glittery wands, floral crowns, and delicate wings, this group’s mission is to add a little magic to Halloween.
For those who like to embrace their inner enchantress, this is a fanciful and lovely option because each fairy has her own colour and style.
Prepare to fly through the night like a fairy with a dusting of fairy dust!
26. Care Bears
This vibrant trio of Care Bears will cheer people up and spread love!
Everybody choose a bear that they like most, be it Tenderheart Bear with his crimson heart, Grumpy Bear with his storm cloud, or Cheer Bear with her rainbow tummy.
Your group will be the prettiest and cuddliest at the party if you’re dressed in bright colours and comfortable attire.
This retro outfit makes me feel all warm and fuzzy inside!
27. Powerpuff Girls
Sweet, spicy, and all things lovely—this Powerpuff Girls trio is prepared to come to your rescue!
Because Blossom, Bubbles, and Buttercup each have an own personality and style, this outfit is ideal for friends who want to flaunt their individuality without sacrificing their team spirit.
At every Halloween gathering, you three—brawn, beauty, and brains—will be an irresistible force of fun!
28. Mamma Mia / Singers
These Mamma Mia-inspired outfits will make you feel like a Dancing Queen!
As you channel Donna and the Dynamos’ famous style, consider wearing platform shoes, flared trousers and glittering shirts.
Fun, music, and a hint of glitz are the main components of this costume, whether you’re dancing to your favourite ABBA hits or just striking a pose.
Prepare to take everyone on an amazing voyage through time to the Greek islands!
29. Pigs in a Blanket
For a costume that is as cosy as it is charming, wrap yourself in some cosy blankets and add some pig ears and a snout.
This is a brilliant and easy idea that’s great for anyone who want to stay warm but still make people laugh at any Halloween party.
A pig in a blanket is also irresistible.
30. Barbie Squad
Pose with the Barbie Squad of your very own!
This costume trio is all about embracing the outrageous, joyful, and fearless spirit of everyone’s favourite doll, whether you’re President Barbie, Workout Barbie, or Malibu Barbie.
You’ll be equipped to take on the world, one stylish stride at a time, with an abundance of pink and blonde wigs and accessories.
It’s the ideal girl-power outfit for a fun-filled evening!
31. Beetlejuice
Come explore the eerie realm of Beetlejuice alongside this eccentric trio!
One of you dons the recognisable black-and-white striped costume to embody the cunning Beetlejuice himself.
The other two can feel nostalgic with a hint of terror, channelling their inner Barbara and Adam Maitland.
This costume is ideal for people who enjoy a little creepy and quirky, and it will definitely provide a unique touch to your Halloween gathering!
32. Firefighters Trio Halloween Costumes
With these hot costumes, turn up the heat!
This crew, decked up in black shirts, red skirts, and fireman helmets, is prepared to save the day and draw attention to themselves in the process.
It’s an inspiring and striking costume idea that’s playful and flirtatious.
This trio is going to be the hottest at the party, whether you’re battling fires or just heat things up on the dance floor!
33. Jaws Trio
You guys look like you’re ready to have a good time, as seen by your amazing shark-themed tops and shark-shaped hats.
For individuals who enjoy a little maritime mischief, this costume is enjoyable, simple, and ideal.
34. Fruit
These costumes are all about adding some colour and lots of fun to the party, whether you’re a fiery pineapple, a vivid strawberry, or a juicy watermelon.
It’s a light-hearted, simple-to-make costume concept ideal for pals who prefer to keep things pleasant, simple, and fresh.
35. Spidermen
This outfit is cosy and brave, ideal for a group of people who are eager to save the day (or just kick back at the party) and comes with matching Spidey onesies or hoodies.
You can all embrace your inner superhero with this stylish and iconic style.
This trio is eager for some adventures, whether they are hanging out or slinging webs!
Wrapping Up Trio Halloween Costumes
These are some trio costume ideas that will definitely be the talk of the party at any Halloween gathering!
Your friends and you will be prepared to rock the night with style and flare with these costumes, whether you’re striving for a creepy, romantic, or downright sassy look.
Just keep in mind that Halloween is the one occasion of the year when you can really let your imagination run wild. So gather your buddies, choose your best trio, and get ready to rule the night.
Hey, with such amazing costumes, the only thing scarier than Halloween is trying to surpass it the following year.