Adult Costumes

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Costumes aren't just for kids! Our adult costumes will have grown-ups getting excited for Halloween. We have a selection of the best Halloween costumes for men and women of all styles and sizes. Browse through to find plus size costumes, funny adult costumes, and even sexy costumes. Or pair up with your significant other and choose a stunning couples costume look that'll be sure to win any costume contest!

1 - 60 of 820

Women's Star Wars I am R2D2 Skater Dress Costume

$68.99

Made By Us Exclusive

Adult Jockey Shirt Costume

$34.99-$41.99

Care Bears Classic Grumpy Bear Adult Costume

Made By Us Exclusive

Adult Care Bears Classic Grumpy Bear Costume

$68.99

Made By Us Exclusive

Cookie Monster Sesame Street Onesie

$68.99-$143.99

Sale - 17% Made By Us

Women's Beetlejuice Suit Pants

$41.99$34.99-$41.99*

Made By Us Exclusive

Adult Sesame Street Elmo Onesie Costume

$68.99-$82.99

Hooded Adult Skeleton Onesie

$34.99

Made By Us Exclusive

Adult Black Cat Onesie

$61.99

Women's Plus Size Casual Wonder Woman Costume

Sale - 29% Exclusive

Plus Size Women's Casual Wonder Woman Costume

$47.99$34.99-$41.99

Made By Us Exclusive

Men's White Suit Costume

$61.99

Care Bears Adult Plus Size Classic Cheer Bear Costume

Made By Us Exclusive

Plus Size Care Bears Adult Classic Cheer Bear Costume

$82.99

Toy Story Jessie T-Shirt

$27.99

Sale - 20%

Star Trek Yellow Uniform Christmas Sweater

$68.99$54.99

Made By Us Exclusive

Plus Size Cheshire Cat Adult Onesie Costume

$68.99

Sale - 11% Made By Us

Wonder Woman Dark Blue Ugly Christmas Sweater

$61.99$54.99-$61.99*

Made By Us Exclusive

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99

Women's Pumpkin Poncho Costume

$27.99

Sale - 17%

Wonder Woman T-Shirt Costume

$41.99$34.99-$54.99*

Made By Us Exclusive

Care Bears Deluxe Cheer Bear Plus Size Hoodie Costume

$95.99

Sale - 60% Made By Us

Adult Macho Man Union Suit Onesie

$68.99$27.99-$41.99

Women's Plus Size Scarecrow Poncho

$41.99

Adult Incredibles T-Shirt Costume

$27.99

Made By Us Exclusive

Sesame Street Oscar the Grouch Jumpsuit Costume for Adults

$109.99-$136.99

Sale - 20% Made By Us

Brown Bear Adult Jumpsuit Costume

$68.99$54.99-$68.99*

Deluxe Dark Knight Catwoman Costume

$109.99-$123.99

Made By Us Exclusive

1989 Batman Joker Overcoat

$109.99

Sale - 20% Made By Us

Classic Rainbow Brite Adult Ugly Christmas Sweater

$68.99$54.99-$68.99*

Exclusive

Freddy Krueger Dress Costume

$47.99-$68.99

Adult 101 Dalmatians Pongo Costume Onesie-2

Sale - 40% Made By Us

Adult Disney 101 Dalmatians Pongo Costume Onesie

$68.99$41.99-$68.99*

Sale - 42% Made By Us

Adult Gremlins Gizmo Costume

$82.99$47.99-$82.99*

Made By Us Exclusive

Adult Pumpkin Poncho Costume

$20.99

Clearance - 50%

Adult Naruto Uzumaki Cosplay Tee

$27.99$13.99

The Pokemon Adult Charizard Kigurumi

$123.99

Sale - 20% Made By Us

Plus Stay Puft Marshmallow Man Costume Onesie

$68.99$54.99-$68.99*

Sale - 13% Made By Us

Joker 1989 Batman Pants

$54.99$47.99-$54.99*

Men's Opposuits Baby Blue Suit

$136.99

Made By Us Exclusive

Adult Pajama Penguin Costume

$54.99

Women's Glitter Ghost Poncho Costume

$27.99-$34.99

Sale - 25%

Adult Jack Skellington Tux Shirt

$27.99$20.99

How to Train Your Dragon Toothless Adult Kigurumi Costume

$123.99

Sale - 11% Exclusive

Plus Size Freddy Krueger Costume Dress for Women

$61.99$54.99-$61.99*

Sale - 30% Made By Us

Adult Care Bears Trick-or-Sweet Bear Halloween Sweater

$68.99$47.99-$68.99*

Voodoo Poncho Costume

$27.99

Nintendo Pokemon Adult Snorlax Kigurumi

$116.99

Made By Us Exclusive

Adult Skeleton Costume Poncho

$27.99

Adult Skeleton Kigurumi

$88.99

Made By Us Exclusive

Quirky Kitty Halloween Sweater for Adults

$54.99

Made By Us Exclusive

Mens Pulp Fiction Suit Costume

$82.99

Men's Miles Morales Costume Top

$54.99

Sale - 33% Made By Us

Plus Size 101 Dalmatians Pongo Adult Costume Onesie

$82.99$54.99-$82.99*

Adult Transformers Optimus Prime Union Suit

Made By Us Exclusive

Transformers Optimus Prime Adult Union Suit

$68.99

Sale - 13% Made By Us

Men's Beetlejuice Suit Blazer

$109.99$95.99-$109.99*

Sale - 38%

Adult My Hero Academia Deku Cosplay Hoodie

$54.99$34.99

Sale - 17%

Men's Dalmatian Hoodie Costume

$41.99$34.99-$41.99*

Sale - 28%

Women's Tattered Skeleton Poncho Costume

$34.99$24.99

Sale - 40% Made By Us

Women's Skeleton Sweater Dress

$68.99$41.99

Made By Us Exclusive

Adult Care Bear Grumpy Bear Onesie

$109.99

Made By Us Exclusive

Adult White Astronaut Jumpsuit Costume

$61.99

Beetlejuice It's Showtime! Adult Ugly Halloween Sweater 1

Made By Us Exclusive

Beetlejuice It's Showtime! Adult Halloween Sweater

$68.99

Adult Hammerhead Shark Kigurumi

$99.99

Can't decide what you want to be for Halloween? HalloweenCostumes.com has a huge variety of the best Halloween costumes for adults for you to choose from. Ranging in styles from our sexy Princess Leia slave costume to our men's deluxe Darth Vader as well as brand new adult costumes for 2022. We have unique and exclusive adult costumes at the best prices on the web. You'll find our adult costume selection to be a comprehensive list of classic looks combined with the latest trends. Whether scary, funny, or even sexy, we have adult costumes for everyone's style and taste. Celebrate the holiday with an iconic and fashionable adult costume idea and throw your own timeless masquerade party this season.