The Best Sibling Halloween Costumes

List Rules
Vote up the costumes you would want to wear with your siblings!

It's never too early to start thinking about Halloween costumes, especially if you need to coordinate for a group, like sibling Halloween costumes. Whether you're looking for 3 sibling Halloween costume ideas, brother and sister Halloween costume ideas, or older sibling Halloween costumes, you should be able to find plenty of ideas below. 

Classic pairs, like Mickey and Minnie Mouse, Donald and Daisy Duck, and Wednesday and Pugsley Addams work whether you're looking for toddler and baby sibling Halloween costumes or teenage sibling Halloween costumes. The Grady twins and Chucky and Bride of Chucky are a couple good scary sibling Halloween costumes. If you're looking for something less frightening, M&Ms are one of the cute sibling Halloween costume ideas. That costume also falls under matching sibling Halloween costumes, and sibling Halloween costumes that work for boys and girls.

Check out the costumes below, and vote up your favorites - you know, the ones you would be willing to wear with your siblings. 


list ordered by
  • Starucks Barista & A Drink

    Starucks Barista & A Drink

    A barista and a latte costume could be for the more creative siblings who want to make their costumes themselves. 

  • Thing 1 & Thing 2 (& The Cat in the Hat)

    Thing 1 & Thing 2 (& The Cat in the Hat)

    Thing 1 and Thing 2 are great costume options that can be recreated with nothing more than a few T-shirts! 

  • Little Red Riding Hood & The Wolf

    Little Red Riding Hood & The Wolf

    Little Red Riding Hood is great for sibling costumes if one person wants to dress up girly, but the other wants to wear makeup, fur, and wolf ears. 

  • Ghostbusters


    With another Ghostbuster film on the way, many siblings may be dressing up as ghostbusters, or even ghosts this year. 

  • Alice in Wonderland & The White Rabbit

    Alice in Wonderland & The White Rabbit

    Another human/animal pair, Alice in Wonderland and the White Rabbit are sibling costumes that everyone would be familiar with. 

  • Wreck-It Ralph & Fix-It Felix

    Wreck-It Ralph & Fix-It Felix

    If the siblings have a heigh disparity, Wreck-It Ralph and Fix-It Felix could be a great costume option. These costumes could also probably be thrown together easily, with clothes you may already own. 

  • Harry Potter Characters

    Harry Potter Characters

    One instantly recognizable trio is Harry Potter, Ron Weasley, and Hermione Granger. This is great for a group of siblings, and more characters can easily be added to acommodate bigger families.

  • Minions


    Minions are an easy, quick costume for siblings. You just need denim overalls, black gloves, and some goggles.

  • Cruella & A Dalmation

    Cruella & A Dalmation

    The Cruella movie was a big hit, so this is a timely costume. Once you have the wig, just make sure your outfit is high fashion. Bonus points for pairing with a Dalmation, or a Chihuahua to dress up like Wink!

  • Rey & Kylo Ren

    Rey & Kylo Ren

    Rey and Kylo Ren are another great brother/sister Halloween costume. It's popular enough that you can probably easily procure the costumes. Toy lightsabers are a must-have prop. 

  • Wednesday & Pugsley Addams

    Wednesday & Pugsley Addams

    Wednesday and Pugsley Addams are a great costume whether the siblings are young or old. They're fairly simple pieces to find, and yet still really well-known as a costume.

  • Ariel, Sebastian, & Flounder

    Ariel, Sebastian, & Flounder

    For Disney-loving siblings who also love the sea, Ariel, Flounder, and Sebastian could be great costume options. 

  • Woody & Buzz

    Woody & Buzz

    Woody and Buzz are an iconic Pixar duo perfect for sibling costumes for Halloween. You just need to get yourself a cowboy costume and a space man costume. 

  • Disney Villains

    Disney Villains

    There are plenty of Disney villains to pull from for siblings, ranging from the fashionable, like Maleficent and Cruella, to the more spooky, like Chernabog and Hades.

  • The Sanderson Sisters

    The Sanderson Sisters

    Hocus Pocus is a classic, Disney Halloween film, so it stands to reason that the Sanderson sisters would make for a great sibling Halloween costume.

  • Elsa & Anna

    Elsa & Anna

    Anna and Elsa from Frozen are great for a pair of siblings, though you could also add in side characters like Olaf, Sven, and Kristoff.

  • Rey & Chewbacca

    Rey & Chewbacca

    Lots of young girls (and boys!) want to dress up like Star Wars hero Rey. To add a twist to this costume, one sibling could throw on a furry, Chewbacca suit. 

  • Peter Pan & The Lost Boys

    Peter Pan & The Lost Boys

    Large families can pull inspiration from Peter Pan and the Lost Boys. You could even add in Tinkerbell, Captain Hook, and Mr. Smee for really big groups! 

  • Falcon & Winter Soldier

    Falcon & Winter Soldier

    Falcon & Winter Soldier will probably be popular Halloween costume choices thanks to the popularity of the Marvel series of the same name on Disney Plus. 

  • Peanuts Characters

    Peanuts Characters

    There are so many options for the Peanuts crew. You and your siblings could dress up as Charlie Brown and Snoopy, or Lucy and Snoopy, Lucy and Shcroeder, etc. 

  • Rapunzel & Pascal

    Rapunzel & Pascal

    This costume could allow the more creative parents to do body paint or face paint makeup for Rapunzel's trusty pal, Pascal.

  • WALL-E & EVE

    WALL-E & EVE

    This costume may be for the more creative sibling duo, though for EVE, you could always just wear white, with black sunglasses, and wrap some twinkly lights around you like a boa. 

  • Alvin, Simon, & Theodore

    Alvin, Simon, & Theodore

    Most children in America grew up with some iteration of Alvin and the Chipmunks. Busy parents can throw this costume together quickly by simpling grabbing red, blue, and green hoodies.

  • Miss Piggy & Kermit the Frog

    Miss Piggy & Kermit the Frog

    Who doesn't love The Muppets? Kermit and Miss Piggy are another instantly recognizable duo. 

  • The Grady Twins

    The Grady Twins

    The Grady twins are one of the best choices for spooky Halloween siblings costume. Whether you pull inspiration from the clean pair, or add some fake blood for extra oomph, the final effect will be creepy and instantly recognizable.