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 822

Women's Star Wars I am R2D2 Skater Dress Costume

$68.99

Care Bears Classic Grumpy Bear Adult Costume

Made By Us Exclusive

Adult Care Bears Classic Grumpy Bear Costume

$68.99

Made By Us Exclusive

Adult Jockey Shirt Costume

$41.99

Made By Us Exclusive

Adult Cheer Bear Care Bears Onesie Costume

$54.99

Made By Us Exclusive

Cookie Monster Sesame Street Onesie

$68.99-$144.99

Adult Incredibles T-Shirt Costume

$27.99

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

Sale - 50%

Dragon Ball Z Goku Union Suit

$41.99$20.99

Made By Us Exclusive

Plus Size Deluxe Marilyn Halter Dress Costume for Women

$48.99

Made By Us Exclusive

Adult Care Bear Grumpy Bear Onesie

$109.99

Made By Us Exclusive

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99

Sale - 60% Made By Us

Adult Hulk Hogan Union Suit

$68.99$27.99-$41.99

Made By Us Exclusive

Adult White Astronaut Jumpsuit Costume

$61.99

Clearance Made By Us

IT (2019) Pennywise Halloween Sweater for Adults

$68.99$27.99

Nintendo Pokemon Adult Snorlax Kigurumi

$116.99

Women's Plus Size Scarecrow Poncho

$41.99

Women's Pumpkin Poncho Costume

$27.99

Made By Us Exclusive

Sesame Street Oscar the Grouch Jumpsuit Costume for Adults

$109.99-$137.99

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*

Clearance - 75%

Men's Spider-Man 2099 Costume Top

$54.99$13.99

Made By Us Exclusive

Adult Pumpkin Poncho Costume

$20.99

Made By Us Exclusive

Mens Pulp Fiction Suit Costume

$82.99

Sale - 50%

Disney Haunted House Stitch Shoppe by Loungefly Dress

$137.99$68.99

Care Bears Deluxe Bedtime Bear Women's Costume

Made By Us Exclusive

Care Bears Deluxe Bedtime Bear Hoodie Women's Costume

$82.99

Made By Us Exclusive

Adult David S. Pumpkins Suit

$75.99

The Pokemon Adult Charizard Kigurumi

$123.99

Sale - 25% Made By Us

THE JOKER Slim Fit Suit Overcoat (Authentic)

$109.99$82.99-$109.99*

101 Dalmatians Perdita Costume Onesie for Women-2

Sale - 20% Made By Us

Women's Disney 101 Dalmatians Perdita Costume Onesie

$68.99$54.99-$68.99*

Mens Suitmeister Button Up Beer White Shirt

Sale - 33%

Men's Suitmeister Button Up White Beer Shirt

$41.99$27.99

Sale - 17%

Wonder Woman T-Shirt Costume

$41.99$34.99-$54.99*

Scarecrow Poncho for Women

$34.99

Made By Us Exclusive

Care Bears Deluxe Share Bear Hoodie Women's Costume

$82.99

Clearance Made By Us

The Nun Halloween Sweater for Adults

$68.99$13.99-$20.99

Sale - 22%

Adult Unisex Ninja Onesie

$61.99$48.99-$54.99

Made By Us Exclusive

Adult Pajama Penguin Costume

$54.99

Women's Glitter Ghost Poncho Costume

$27.99-$34.99

Clearance Made By Us

Adult Plague Doctor Halloween Sweater

$54.99$27.99-$34.99

Sale - 11% Exclusive

Plus Size Freddy Krueger Costume Dress for Women

$61.99$54.99-$61.99*

Clearance - 55%

Women's Unique Vintage Corpse Bride Sweater

$107.99$48.99

Sale - 17% Made By Us

Mens Silver Sequin Disco Pants

$41.99$34.99-$41.99*

Women's Plus Size Casual Wonder Woman Costume

Sale - 29% Exclusive

Plus Size Women's Casual Wonder Woman Costume

$48.99$34.99-$41.99

Sale - 25% Made By Us

Adult Skeleton Costume Poncho

$27.99$20.99

Voodoo Poncho Costume

$27.99

Beetlejuice It's Showtime! Adult Ugly Halloween Sweater 1

Made By Us Exclusive

Beetlejuice It's Showtime! Adult Halloween Sweater

$68.99

Made By Us Exclusive

Quirky Kitty Halloween Sweater for Adults

$54.99

Adult Skeleton Kigurumi

$89.99

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*

Sale - 38% Made By Us

THE JOKER Slim Fit Suit Vest (Authentic)

$54.99$34.99

Sale - 13% Made By Us

Men's Beetlejuice Suit Blazer

$109.99$96.99-$109.99*

Sale - 80% Made By Us

Adult Spooky Smiles Halloween Sweater Dress

$68.99$13.99

Made By Us Exclusive

Witch Spellcraft and Curios Halloween Sweater

$61.99

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

Exclusive

Scooby Doo Union Suit

$68.99

Made By Us Exclusive

Women's Pink Dinosaur Onesie

$68.99

Made By Us Exclusive

Sugar Skull Halloween Adult Sweater

$54.99

Adult Scooby Doo Hooded Sweatshirt

$61.99-$75.99

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.