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30 Incredible Sibling Halloween Costume Ideas

Do you dream about perfectly coordinated, ridiculously amazing sibling Halloween costume ideas?

If your kids will let you choose their costumes, then I’d say you are super lucky and that you are in the right place because I have THE MOST AMAZING sibling costume ideas on the planet right here for you. I scoured Instagram, and the mamas over there did NOT disappoint.

You are guaranteed to find some amazing inspiration in this post, dear mama.

Are you ready?

Here we go!

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Creative sibling Halloween costume ideas

Sibling Halloween Costume Ideas

Times Square On New Years Eve

Let’s kick off the list with this super simple but oh so fun idea. I love that it doesn’t require a lot of props, and the creativity of this idea is HUGE.

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The other Times Square. #happyhalloween #siblingcostumes

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A Magician And His Bunny

Eeee! Can it get any cuter? I am in love with this idea, it’s so stinkin’ adorable and perfect for boy girl siblings.

Dorothy And The Tornado

I’ve seen a lot of takes on The Wizard of Oz, but this one?! It’s gotta be my favorite one.

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It’s a twister! It’s a twister!

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Dennis The Menace And Margaret

Ah, nastalgia. Lots of creativity points for this one and I mean really, can these kids be any cuter?

Curious George And The Man With The Yellow Hat

Yes, you could always dress up one of your kids as a monkey, but this pairing is to die for!

The Wizard Of Oz

Okay, I know, I know. I mentioned before that I’ve seen so many takes on the Wizard of Oz. But I couldn’t resist including this one. And these are HOMEMADE! What? Amazing, right?

Alice In Wonderland

If the homemade costumes above didn’t impress you (even though I can’t imagine that), how about these? Incredible!

SWAT And An Inmate

Look at this photo!! Can it get any more perfect? It’s simple, it’s doable, it’s amazing.

A Bull Rider And A Rodeo Clown

These sibling Halloween costumes are F-U-N.

Peter Pan And Tinkerbell

These sibling costumes are adorable and magical and just plain fun.

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Off to Neverland!

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Mario And Luigi

A couple gloves, pairs of overalls, and red and green hats and shirts are all you need for this one!

Little Red Riding Hood And The Big Bad Wolf

I think this one is pretty much perfection!

Peter Pan And Captain Hook

And instead of Tinkerbell and Peter Pan, why not break some gender stereotypes and have your little girl go as Captain Hook? LOVE.


Have you ever seen such an original, unexpected and ADORABLE costume? Perfect for a twin sibling Halloween costume!

Gertie, Elliot And ET

And just when you think that the Halloween costume inspiration can’t get any better… I would have never thought of this but I. LOVE. IT.

BoPeep And Woody

Toy Story 4 is huge at the moment, and yeah, you could do Forky, but I love this little duo even more.

A Crow And A Scarecrow

Look at these ADORABLE homemade costumes! The detail is perfect and such an original, different idea.

An Angel And A Devil

Some more homemade costumes coming at you! Look at those wings!


These costumes are so SWEET. Pun definitely intended.

The Tortoise And The Hare

Okay, so I seriously love every single idea in this post, but this one?! It most definitely might possibly be my favorite.

Little Red Riding Hood

Another inspiration for this popular fairy tale, because you know, I couldn’t pick just one.

Jurassic Park

Oh. My. Word. Stinkin’ precious, right?

And Another

You just can’t have enough Wizard of Oz ideas when they are THIS CUTE. It’s perfection!

A Baker And A Cupcake

I simply CANNOT believe that that cupcake was a DIY. I told this mama that she is my DIY hero. FOR REAL.

Party Animals And A Party Pooper

And the award for most original goes to?

Ice Cream

Love the ice creams. Throw in the ice cream vendors and you’ve got cuteness.

Fast Food

That cheeseburger!!

Rock, Paper, Scissors

Are these moms for real? I would never in a gazillion years think to dress my kids as rock, paper and scissors, but that’s what makes Laurin Patton amazing and me? Not so much.

Want more?

Family Halloween Costume Ideas 

Family Of Four Costume Ideas

Family Halloween Costumes With A Baby

I wanna hear in the comments, which of these amazing sibling Halloween costume ideas is your favorite?

Super creative sibling Halloween costume ideas Super fun and unique sibling Halloween costumes.