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Spooky season is just around the corner, and that means it's time for families to start planning their Halloween costumes.
For siblings, coordinating costumes can be fun! This Halloween costume guide is all about the best sister Halloween costume ideas for kids.
From classic duos to creative ensembles, you will love these sister Halloween costumes!
P.S. If you and your sister are adults, check out these sister Halloween costume ideas for adults!
Best Sister Halloween Costumes
Your girls will look so cute in these sister Halloween costumes!
Your girls will look so cute dressed up as two ladybugs for Halloween! For these sister Halloween costumes, all you need to buy is this cute ladybug dress costume for girls on Amazon!
2. Mario and Princess Peach
You probably think of Mario and Princess Peach as one of the best sibling Halloween costume ideas. If you have two girls, one can be a cute Mario (in a dress!) and the other one can be Princess Peach!
3. Cute Witches
There are so many witch Halloween costumes for little girls to choose from! Instead of having your girls dress up in a black witch costume, why not dress them up as two cute witches? You can get these cute sister costumes online on Etsy from FancySchmancyBaby!!
4. Cruella and Her Dalmatian
If you have a little girl who is dying to dress up as Cruella de Vil for Halloween (and who wouldn't want to?!), then she can dress up as Cruella De Vil and her younger, baby sister can dress up as a Dalmatian!
Dressing up as Cruella and a Dalmatian are such cute and creative Halloween costumes for an older sister and a baby sister!
Dressing up as two ghosts is such a cute Halloween costume idea for two sisters! Perfect for an older sister and a baby sister!
6. Troop Beverly Hills
These DIY Halloween costumes for two sisters are so creative and cute!
You will also love these Beverly Hills costumes for two sisters from Etsy!
If you have triplet girls at home, dressing up as ketchup, relish, and mustard are the perfect matching sister costumes!
8. Thing 1 and Thing 2
Your girls will love these DIY sister Halloween costumes!
9. Milk and Cookies
If you have two little girls at home, one can dress up as milk and the other one can dress up as a cookie for Halloween!
10. Cute Clowns
These cute clown costumes are perfect for two toddler sisters!!
11. Queen of Hearts, Alice, and The Rabit from Alice in Wonderland
These sister Halloween costumes for three girls are so, so cute!!
12. Bo Beep and Jessie from Disney's Toy Story
Your girls will love dressing up as Bo Beep and Jessie from Toy Story for Halloween! These costumes for sibling sisters are so, so cute!!
13. Starbucks Baristas
If you have two girls at home, they may love dressing up as Starbucks baristas for Halloween!
15. Hocus Pocus Witches
If you have two or three girls at home, these sibling-sister Halloween costumes would be just perfect!!
There are a couple of Hocus Pocus/Sanderson costumes for sisters on Etsy. These Sanderson Sister costumes are cute too!
16. Peanut Butter and Jelly
Your girls will be so comfortable in these cute peanut butter and jelly Halloween costumes for two sisters!
17. Chick Fil A Worker and a Cow
These sibling sister Halloween costumes are too cute!!
18. Velma and Daphne from Scooby-Doo, Where Are You!
Dressing up as Velma and Daphne are perfect for sibling Halloween costumes! This is a great sister sibling Halloween costume idea for adults too!
19. Cute Witches
Dressing up as cute witches is such a cute and easy Halloween costume idea for two or three sisters!
20. Tweedle Dee and Tweedle Dum
These Tweedle Dee and Tweedle Dum Halloween costumes are perfect for two sisters who are ages 8-13 or so!
21. Ice Cream Sundaes
For super cute and DIY Halloween costumes for two sisters, have them dress up as two ice cream sundaes! To really go all out, make a cardboard cutout of a bana and create headbands for your girls with cherries and whipped cream!
Summary – The Best Sister Sibling Halloween Costumes
In summary, there are so many cute sister Halloween costume ideas for sisters!
What is your favorite Halloween costume idea for two sisters? Please leave a comment below!