Some of my fondest childhood memories stem from my sibling costumes on Halloween. Sure, carving pumpkins, getting mountains of candy, and doing Halloween crafts were pretty special. But what really filled me with delight was the chance to partner on a Halloween costume with my siblings.
If you have a couple of siblings to outfit this Halloween, keep scrolling for dozens of coordinating costumes to help take the guesswork out of the upcoming fall holiday. This list of Halloween costumes for sibling costumes includes options from pop culture, nostalgic movies, kid-favorite shows, storybooks, nursery rhymes, nature, and more!
We’ve broken some of the list down to sibling costumes for boys and girls, but, of course, any child can dress in their favorite costume on Halloween, no matter their gender. Read on for over 50 of our favorite Halloween costume ideas for siblings—plus some of the cutest inspiration photos and where to shop to recreate the look for your littles.
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Quick Picks: Best Sibling Halloween Costumes for 2026
The cutest costumes for siblings mean adorable Halloween pics and outfits they’ll want to wear beyond trick-or-treating. Here are some of the top costume ideas for siblings, whether they’re sisters, brothers, or a mix of both. And keep scrolling to shop the cutest costumes for each!
- 2026 Halloween costume trends: Outer-space astronauts, superheroes like Spider-Man, and Toy Story 5 characters.
- Movie and TV show sibs: Elsa and Anna, Bluey and Bingo, Peppa and George, Wednesday and Pugsley, The Sanderson Sisters, and The Super Mario Bros.
- Famous duos: Mickey and Minnie, Elphaba and Glinda, Ariel and Flounder, Miles Morales and Gwen Stacy, Peter Pan and Tinkerbell, or Thing 1 and Thing 2.
- Cute pairings: Bo Peep and her sheep, farmer and a chicken, honey bee and a flower, or caterpillar and a butterfly.
- Food & drink pairings: Ketchup and mustard, peanut butter and jelly, or a Starbucks drink and a barista. These pairs work especially well for twin costumes.
Boy and Girl Sibling Costumes
Matching costumes for brothers and sisters can make the cutest Halloween moments. Here are some of my favorite picks based on kid-approved movies, shows, and more.
The Wizard of Oz sibs costume
The Wizard of Oz is full of kids’ costume possibilities, from the story’s four heroes to the witches to just about anyone in Munchkin Land. With one sister as Dorothy, any combination of characters will be instantly recognizable and make for one of the sweetest trick-or-treating crews around.
Cruella de Vil and a Dalmatian
One of the most recognized Disney movies of all time also happens to make an incredible Halloween costume for siblings: 101 Dalmatians. With a sister dressed as Cruella, she can have as many sibs (or even parents) dressed up as the adorable puppies.
Ariel and Flounder from The Little Mermaid
Ariel needs her friend and sidekick, Flounder, to make this movie-inspired sister and brother costume extra special. Add more Disney Halloween costumes to the mix with Sebastian, Ursula, or other sea creature costumes, too!
Woody and Jessie from Toy Story
An especially timely sibs costume for 2026 with the release of Toy Story 5, Jessie and Woody make an adorable pair for a Toy Story-themed costume for a brother and sister. Have more than two kids? Add Buzz, Bo Beep, Rex, or any others!
Peppa and George from Peppa Pig
Even People Magazine covered Peppa Pig’s growing family when Peppa and George gained a new baby sister named Evie last year. So a Peppa Pig-themed sibling costume would be cute and on-trend.
Poppy and Branch from Trolls
For kids who’d love a creative hair moment, consider dressing sibs as this memorable musical pair from the Trolls movies: Poppy and Branch. These cute sibling costumes can be store-bought—or a reason to get crafty with a little help from brightly colored felt, wigs, and a hot glue gun.
Annie and Sandy from Annie
For a nostalgic sibling costume idea, dress big sis as Annie and little bro as a puppy—or get the family dog in on the costume—so they’ll never be fully dressed without a smile.
Lilo & Stitch Sibling Costume
With the live action Lilo & Stitch now streaming on Disney+, the adorable duo could be a cute trending sibling costume for a brother and sister. DIY a Lilo costume with shortalls and a red tee or grab an easy store bought costume below. Add a cozy Stitch onesie for a sibling matching costume that works for babies to big kids.
Wednesday and Pugsley
With Season 3 of Wednesday on Netflix in the works, this older sister and little brother pair epitomize Halloween vibes any year. Choose from any number of Wednesday’s looks from the movies or the show, and dress brother Pugsley in a grey/black striped shirt and black shorts/pants.
Rapunzel and Pascal from Tangled
For anyone chronically online, you may know why this kids’ Halloween costume has the potential to be super popular in 2026. Not only are we getting the first behind-the-scenes glimpses of the new live-action Disney version of Tangled, but moms and kids (and sisters with little brothers) are dressing as Rapunzel and Pascal to create the most adorable viral lip-sync TikToks.
Miles Morales and Gwen Stacy from ‘Into the Spiderverse’
Spider-Man is back with a new movie in 2026, but when it comes to sibling costumes, Miles and Gwen from the Into the Spiderverse franchise are a winning superhero pair.
Bluey and Bingo
Character costumes are a consistent favorite of little trick-or-treaters, and few shows are as beloved as Bluey. While Bluey and Bingo are sisters, we think any sibling duo can dress up as the most lovable Heeler pups— Bluey, Bingo, or cousin Muffin. And they likely won’t want to take off their costumes until Thanksgiving (or later).
Mickey and Minnie Mouse
Speaking of iconic duos, Mickey and Minnie are the ultimate pair, perfect for a brother and sister sibling costume. If you have more kids or want to make it a family costume, the OG characters Goofy, Daisy, and Donald are easy Disney costumes. Plus, you can get the family pet included as Pluto.
Pebbles and Bamm-Bamm from The Flintstones
Having a sibling is like having a built-in best friend, so what’s a better brother-sister costume than this timeless bestie couple? It’s also easy to make it a creative family costume with parents as Fred and Wilma.
Alice in Wonderland and The White Rabbit
Send your little ones off on an adventure to Wonderland with this whimsical duo in an Alice in Wonderland and Queen of Hearts costume. More siblings? No problem. Choose from a host of characters, from the White Rabbit to the Mad Hatter, to round out the group.
Halloween Costumes for Sisters
Elphaba and Glinda from Wicked
The epic movie musical inspired Wicked kids’ birthday parties, sing-alongs, and even baby names. With the sequel Wicked: For Good currently streaming, Elphaba and Glinda will likely be a top costume—also primed for a DIY—that is especially fitting for sisters or school besties.
The Sanderson Sisters from Hocus Pocus
Another perfect pick for sister siblings, the Sanderson Sisters from hit Halloween flicks Hocus Pocus and Hocus Pocus 2. Parents can add to a sibling costume as Billy Butcherson or Thackery Binx the cat.
add a coordinating tutu for this cute sibling costume
Elsa and Anna from Frozen
A Frozen sibling costume idea has so many ways to make it your own. Combinations like Elsa and Anna, Anna and Olaf, Sven and Kristoff, and more! Or, if your kids BOTH want to be Elsa, that’s OK, too!
Bo Peep and a Sheep
Whether she’s Bo Peep with her sheep or Mary with her little lamb, this costume is too sweet—especially for a little sibling who already follows their older sister around.
Wonder Woman and Supergirl
Female superheroes unite! Sisters can dress up as these iconic characters and save the world. Plus, with Milly Alcock’s new Supergirl movie, this costume is also super timely for 2026.
Dottie and Kit from A League of Their Own
Channel this classic ’90s film with costumes that celebrate the All-American Girls Professional Baseball League of the 1940s. We dug up uniforms for the Rockford Peaches and the Racine Belles to make a throwback costume for real-life sisters playing onscreen siblings, Dottie and Kit.
The Barbies sisters costume
While The Barbie Movie dominated headlines and award shows a few years back, The Barbies are still a cute pick for a group of friends or sisters this year. And, of course, any male buddies or brothers can go as the Kens—or Alan.
Cute witch costumes
Witches were essentially a sisterhood. So if you’re looking for a classic Halloween costume for sisters, consider a pair of adorable witches. Have more siblings? One can be a black cat.
Cher and Dee from Clueless
Your kids might still be too young to see the movie, but this cute sister costume featuring fashionista besties Cher and Dionne from Clueless will be a hit with fellow parents. Plus, with the recent announcement of a new Clueless TV show—starring Alicia Silverstone—this sibs costume idea is timely, too!
Troop Beverly Hills sisters costume
“Beverly Hills, what a thrill!” This cute costume for sisters honors the 1989 movie Troop Beverly Hills. Grab khaki skirts or shorts, green berets, and customized sweatshirts for the best throwback costume the moms will love, too!
Halloween Costumes for Brothers
Where the Wild Things Are book character costumes
Perfect for your wild little ones on the most fun night of the year! With this costume, they can have a blast bringing their favorite children’s book to life.
Dinosaur brothers
For little dudes in their dinosaur era, this Halloween costume will be a hit on its own—or as a pop culture family costume using a Jurassic Park or Paw Patrol: The Dino Movie theme.
Ratatouille brothers’ costume
Chef costumes are a classic choice. But this creative costume for brothers adds a little something special by pairing Alfredo Linguini and his secret sauce, kitchen helper Remy from Ratatouille.
for a special prop, grab a light-up chef’s hat with Remy inside
Superheroes and villains
Your kids don’t have to dress as Batman and Robin to be an iconic superhero duo. For the easiest brother costume, you don’t have to overthink, each sibling can dress as the superhero (or villain!) of their choice for an epic group costume.
Maverick and Goose from Top Gun
The sequel to Top Gun, Top Gun: Maverick, brought this iconic duo back to the forefront in 2022. Little bros can become each other’s wingmen in matching navy pilot jumpsuits—or a cute costume combo with Goose in a Hawaiian shirt and Mav in a bomber jacket (and don’t forget the aviators!)
Super Mario Bros. costume for brothers
Kiddos have always been fans of brothers Mario, Luigi, and their gang, but with the release of the Super Mario Bros. movies in 2023 and 2026, Super Mario Bros. made a comeback in a big way.
Napoleon Dynamite sibling costume
Every Napoleon Dynamite sibling costume needs a Napoleon, but brothers can choose from any one of the memorable cast characters from this 2004 cult classic—like Pedro, Kip, or Rex.
The Minecraft Movie characters
My kids were among the many who raced to the theater to see The Minecraft Movie, based on their original favorite video games. Make Minecraft a family costume with parents dressed as other characters from the movie (hint: you can grab a pink fringed jacket like Jason Momoa’s character at Walmart for under $30!)
Sully and Mike from Monsters Inc.
Buddies Mike and Sully from Disney Pixar’s Monsters, Inc. and Monsters University are a funny pair in their own right. But they’d also make a fun combo for a sibling costume.
3+ Sibling Halloween Costume Ideas
‘From the Garden’ Group Siblings Costume
Everything whimsical is trending in 2026—including Halloween costume ideas. Channel a little DIY whimsy with a garden creatures siblings costume. Think snails, mushrooms, butterflies, gnomes, fairies, and more!
Crayons siblings costume
Whether your little ones are into the book The Day the Crayons Quit or just generally love to color, this costume could be cute for sibs! Plus, it’s another easy DIY costume using solid color pajamas, party hats, and some black tape.
Star Wars sibs
Whether you and your little ones are fans of the original movies or the new releases, with so many characters, your whole family can get into the fun of a Star Wars-themed group costume.
Peter Pan siblings costume
The Neverland crew has so many members that siblings can create the ultimate Peter Pan group costume with Tinker Bell, Captain Hook, Wendy, Michael, and, of course, Peter Pan!
Harry Potter siblings costume
Whether your kids are more Gryffindor or Hufflepuff, Hogwarts School is full of sibling costume options. For a classic pairing, dress as Harry with Hedwig or Hermione.
Classic Halloween costume for siblings
Timeless Halloween costumes like bats, witches, skeletons, black cats, vampires, and, of course, baby pumpkins, will always be adorable sibling costumes—and ones you might be able to pass down or pass on in later years.
Goldilocks & the Three Bears
This classic tale can inspire the cutest sibling Halloween costume for 3 or more family members, with mom or sister as Goldilocks and the rest of the family dressed as cute and cuddly bears.
KPop Demon Hunters group costumes
The Netflix animated movie and Billboard chart-topping soundtrack took over our screens and our Spotify playlists. And with Spirit Halloween dropping KPop Demon Hunters costumes, the Huntrix girls and Saja Boys will continue to be popular costumes for sibs, cousins, or bigger groups of friends.
Scooby Doo & Crew
A sibling group costume can include anyone who can fit in The Mystery Machine—Scooby, Shaggy, Velma, Daphne, and Fred.
Winnie the Pooh & The Hundred Acre Wood Crew
So many sweet characters can be found in The Hundred Acre Wood between Pooh, Piglet, Tigger, Eeyore, and Roo. You can even get pets in on the costume action with this sweet group costume.
Creative Sibling Matching Costumes
Lion Tamer and Fierce Lion
A circus ringleader costume can double as a brave lion tamer with the addition of a small hula hoop. There are plenty of lion costumes around, too, but this handmade option is extra sweet for transforming your little one from toddler to fearsome beast.
Sibling Astronauts
Outer-space themed costumes are predicted to be popular in 2026, with astronauts, aliens, and even rocket ships. Your little ones will be ready for blastoff with these sibling costumes that are out of this world.
Magician and a White Rabbit
This creative sibling Halloween costume works with different ages. A toddler sib likely already has sidekick energy, perfect for a cozy white rabbit costume. While an older sibling can play the masterful magician, ready to dazzle the crowd.
Starbucks Barista and a Frappuccino
If your kids always ask for some sweet drink from the back seat while you’re grabbing your morning pick-me-up on the way to school, this sibling costume idea is for you.
Firefighter and Dalmatian
There’s not a duo out there quite as iconic as this one—plus it lends itself to a DIY firetruck with their stroller or wagon. Siblings are sure to feel like heroes all night long in these costumes.
Little Red Riding Hood and the Big Bad Wolf
This classic duo is a cute costume option for brothers and sisters. Not to mention a fuzzy wolf costume is cozy for a colder night of trick-or-treating.
Butterfly and Caterpillar
Perfect for sleepy newborns and their rambunctious big siblings, a butterfly and caterpillar duo is part dress-up fun, part science lesson, and 100 percent cuteness overload.
Honeybee and Flower
There may be nothing cuter than a baby dressed like a honeybee—except if you include a beautiful bloom for good measure.
Farmer and Baby Chicken
There’s a reason baby chicken costumes are a dime a dozen come Halloween: They are undeniably adorable. Make it a coordinating sibling costume by encouraging one child to dress as a farmer.
Rabbit and Carrot
What could make for a cuter photo op than your children dressed in these darling ensembles? Or if your kid hates vegetables, you could also pair a magician with this cute rabbit.
Twin Halloween Costumes That Double the Fun
Thing 1 and Thing 2
There’s nothing quite like a classic. For siblings who go together as well as a cat in a hat, there’s not a better costume out there. Plus, with a new Cat in the Hat movie coming to theaters in November 2026, this one could be ahead of the trends.
Ketchup and Mustard
Some other things just go together—like ketchup and mustard. And if you have a third child or pet, a hot dog rounds out this playful costume.
Twinkies Twin Costume
One of America’s most beloved sweet treats always comes in a pack of two. So, who’s better for this costume than siblings that came that way, too?! This option is perfect for very little ones—when comfort and warmth are the top priorities.
Peanut Butter and Jelly
For a pair that’s just meant to be, consider a peanut butter and jelly twin costume so cute that you’ll want to eat them right up.
Annie & Hallie from The Parent Trap twin costume
The Parent Trap is probably the most iconic twin movie of all time, and this super simple sibling costume for Halloween is the perfect way to celebrate little twins of your own. Grab Camp Walden tees and pair them with green shorts. Print out a picture of their parents torn in half for the cutest touch.
Sibling Costume FAQs
Look for concepts with a flexible size range, like a family of animals (bears, bees, dinosaurs) or a duo like Bo Peep and her sheep, where the “littlest” role suits a baby and the other suits an older sibling. Costumes based on kids’ shows with actual siblings—such as Bluey and Bingo, or Peppa and George—also naturally scale across age gaps.
Pop culture duos work well since they don’t rely on matching genders—think Woody and Jessie from Toy Story, Ariel and Flounder, or Mickey and Minnie. Storybook and nursery-rhyme pairs like Little Red Riding Hood and the Big Bad Wolf are also easy, gender-neutral options.
Group-friendly themes give every child a role: the Hundred Acre Wood crew (Pooh, Piglet, Tigger, Eeyore), Scooby-Doo’s Mystery Machine gang, Harry Potter’s Hogwarts houses, or a garden-creature group (mushroom, snail, butterfly, gnome). These are also easy to expand, too.
Some of the simplest DIY options use basic pajamas, solid-colored clothing, and craft supplies you likely already have—like a crayon costume made from colored pajamas and a party-hat “tip,” or a Peter Pan-inspired look using felt and green leggings. Classic costumes such as witches, black cats, and pumpkins are also easy to put together at home.
Instead of identical costumes, pick characters or concepts from the same “world”—like different Star Wars characters, different Disney princesses, or different Wizard of Oz roles. This lets each child have their own costume personality while still looking coordinated as a group in photos.
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Kathy Sisson, Senior Editor
A Halloween enthusiast and mom of two, Kathy Sisson has been a key contributor in the editorial parenting space for eight years, not only as a full-time editor at The Everymom but previously as a freelance writer for top parenting sites, including Scary Mommy, Motherly, Parent Co., and more. As an editor at The Everymom, she has produced hundreds of articles on a range of parenting topics, reviewed dozens of family-focused products, interviewed leading experts in the children and parenting world, and created viral parenting social media content. She is committed to sharing the honest, helpful, and often humorous stories of motherhood.
