The Most Popular Halloween Costumes for Kids in 2021

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Halloween is almost here, and a new costume always brings excitement for the spooky season! Unless you’re feeling crafty (see our DIY Halloween costumes here), you’ll need the internet to help you find that perfect costume your kid wants. From a fabulous Cruella Deville costume to the perfect Loki helmet and everything in between, we’ve compiled a list of some of the most exciting costumes for Halloween 2021 that are sure to make your kid scream!

Cruella Deville Costume

Your kid will love this exciting Cruella Deville costume which is definitely worthy of one of the best villain origin stories of all time. It comes with a half black, half white wig and a mask.

Find it on Amazon, $46. 

"Ted Lasso"

With a few things from Primary, your kids can dress up as the characters on the hit show: Ted, Rebecca and Dani Rojas. For Ted you'll need clothes like this puffer jacket and this crewneck sweater. This dress is perfect for Rebecca, and with some tape and creativity, this shirt can be made into Dani's team jersey. 

"The Descendants" Mal Halloween Costume

Since The Royal Wedding hit Disney+ this summer, The Descendants are back and more wickedly popular than ever. Your fan will love this jumpsuit costume and cute vest, but take note, the wig is sold separately.

Find it on Amazon, $19-50.

Baby Junior Giraffe Halloween Costume

Seeing your baby dressed in this adorable giraffe costume will be the highlight of Halloween. This costume includes a jumpsuit, hood and booties.

Find it only online at Target, $30.

My Hero Academia

If your tween is into anime, they'll go wild for this My Hero Academia costume. It comes with a tie, skirt, blouse and skirt. 


Order it at Amazon, $33. 

Luca Sea Monster Costume

Your kid will swim right into this costume. They won't get cold wearing this jumpsuit costume on Halloween, and it has a zipper for an easy on and off. It comes with a separate pullover mask.

Get it on Amazon, $32-36.


A witch will always be a popular costume for Halloween, and we love that this version is more sweet than scary. You'll get the hat, but the broom and shoes are sold separately. 

Buy it online only at Spirit Halloween, $60. 


Kids have long been fascinated by dinosaurs, so it's no surprise that dino costumes are continuously a popular choice, especially for young kids. This adorable T-Rex suit is perfect for a toddler.

Sizes: 2T-4T

Buy it Spirit Halloween, $30.

The Mandalorian

The Mandalorian is still super popular with kids of all abilities. Suit up as Mando and have a younger sibling dress up like The Child, and you've got a match made in Halloween heaven. 

Sizes: S, M, L

Get it over at Spirit Halloween, $37.

Be sure to check out this adaptive version from Disney for $50! 

Hermione Granger

Harry's smart and spunky BFF is a huge hit with girls who are reading the Harry Potter series. This robe is affordable, has the Gryffindor crest on the front and is offered in three sizes. You'll need to buy the accessories to complete the look, like this tie and this wand

Sizes: S, M, L

Order it at Amazon,  $38.

Avengers Assemble Loki Costume

Loki is as mischievous as ever, thanks to the new series on Disney+. We love this costume because it comes complete with a Loki helmet and it's easy to wear for Halloween night. 

Get it at Amazon, $34.


Paw Patrol Chase Light Up Costume

If your kid loved the Paw Patrol movie, they will love this costume. It will be a great costume for them to dress up with friends! Comes with a functional backpack.

Get it on Amazon, $46 & up.

Peanuts Woodstock Baby Costume

Your little one will be warm and snug on a cool Halloween night in this cozy costume. This costume comes with attached mitts, booties, and a tail.

Find it online only at Target, $30. 

"Raya and the Last Dragon" Costume

This gorgeous costume is a splurge, but totally worth it when they spend hours playing in it. You get everything you see here!

Buy it at Shop Disney, $70.

Vampire Costume

What would Halloween be without a vampire costume? This one comes with a vest, cape and shirt.

Sizes: S, M, L

Buy it at Spirit Halloween, $37. 

Black Widow

Black Widow is other the hit superhero right now! This jumpsuit comes with metallic cuffs and a light-up belt. 

Sizes: S, M, L

Available at Spirit Halloween, $35.

—Gabby Cullen with Taylor Clifton

Editor’s Note: All items were available for purchase upon publication.

All images courtesy of retailers.

Featured Image: iStock 


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