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 598

Care Bears Adult Classic Grumpy Bear Costume Alt 2

Sale - 10% Made By Us

Adult Care Bears Classic Grumpy Bear Costume

$68.99$61.99

Sale - 56%

Women's Hippie Poncho Costume

$34.99$14.99

Exclusive

Freddy Krueger Dress Costume

$47.99-$68.99

Made By Us Exclusive

Disney Plus Size Little Mermaid Womens Ariel Costume Dress

$95.99

Adult Incredibles T-Shirt Costume

$34.99

Made By Us Exclusive

Adult Sesame Street Elmo Onesie Costume

$68.99

Candy Corn Women's Poncho

$27.99

Sale - 30%

Sonic the Hedgehog Adult Cosplay Union Suit

$68.99$47.99

Hooded Adult Skeleton Onesie

$34.99

Sale - 33% Made By Us

Women's Beetlejuice Suit Pants

$40.99$27.99-$40.99*

Made By Us Exclusive

Striped Nightmare on Elm Street Freddy Adult Sweater

$54.99

Made By Us Exclusive

Cookie Monster Sesame Street Onesie

$68.99-$143.99

Deluxe Dark Knight Catwoman Costume

$109.99-$122.99

Made By Us Exclusive

Adult Cheshire Cat Costume Onesie

$61.99

Made By Us Exclusive

Adult Frog Onesie Costume

$61.99-$75.99

Made By Us Exclusive

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99

Sale - 11% Made By Us

Adult Black Cat Onesie

$61.99$54.99-$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-$40.99

Made By Us Exclusive

Sesame Street Oscar the Grouch Jumpsuit Costume for Adults

$109.99-$136.99

Sale - 43% Made By Us

Dinosaur Bones Button Up Adult Shirt

$47.99$27.99-$34.99

Sale - 50% Made By Us

Adult Panda Onesie Costume

$81.99$40.99

Sale - 50%

Dragon Ball Z Goku Union Suit

$40.99$20.99

Clearance - 75%

Women's Lady Jag OppoSuit

$109.99$27.99

Clearance Made By Us

The Nun Halloween Sweater for Adults

$68.99$13.99-$20.99

Care Bears Adult Plus Size Classic Cheer Bear Costume

Made By Us Exclusive

Plus Size Care Bears Adult Classic Cheer Bear Costume

$81.99

Sale - 63%

Adult Cakeworthy Trick 'R Treat Cardigan

$109.99$40.99-$47.99

Sale - 20%

Star Trek Yellow Uniform Christmas Sweater

$68.99$54.99

Sale - 14%

Adult Tiger Kigurumi

$95.99$81.99

Made By Us Exclusive

Adult Pumpkin Poncho Costume

$20.99

Women's 80s Prom Dress Costume

$68.99-$75.99

Sale - 80% Made By Us

Adult Spooky Smiles Halloween Sweater Dress

$68.99$13.99

The Pokemon Adult Charizard Kigurumi

$122.99

Sale - 29% Made By Us

Care Bears Deluxe Tenderheart Bear Costume

$95.99$68.99-$95.99*

Sale - 20% Made By Us

Plus Stay Puft Marshmallow Man Costume Onesie

$68.99$54.99-$81.99*

Scarecrow Poncho for Women

$34.99

Made By Us Exclusive

Adult Cheer Bear Care Bears Onesie Costume

$54.99

Sale - 20%

Women's Red Glitter Web Costume Poncho

$34.99$27.99

Made By Us Exclusive

Adult Pajama Penguin Costume

$54.99

Sale - 10% Made By Us

Women's Veronica Corningstone Costume

$68.99$61.99-$68.99*

Women's Lifeguard Costume

$47.99-$61.99

Women's Holographic Keyhole Bodysuit Costume

Sale - 40%

Women's Keyhole Bodysuit Holographic Costume

$40.99$24.99-$27.99

Piglet Pajama Costume

$109.99

Up to 25 % off – See low price in cart

Sale - 25% Made By Us

Adult Skeleton Costume Poncho

$27.99$20.99

Voodoo Poncho Costume

$27.99

Made By Us Exclusive

Women's Pink Dinosaur Onesie

$68.99

Women's Pumpkin Poncho Costume

$27.99

Made By Us Exclusive

Care Bears Deluxe Cheer Bear Plus Size Hoodie Costume

$95.99

Adult Skeleton Kigurumi

$88.99

Made By Us Exclusive

Quirky Kitty Halloween Sweater for Adults

$54.99

Pokemon Jigglypuff Adult Kigurumi

$102.99

Sale - 40% Made By Us

Coraline Adult Ugly Halloween Sweater

$68.99$40.99

Women's Plus Size Scarecrow Poncho

$40.99

Sale - 50%

Womens Costume Ghostbusters T-Shirt

$27.99$13.99-$20.99

Sale - 28%

Women's Tattered Skeleton Poncho Costume

$34.99$24.99

Sale - 25% Made By Us

Headless Horseman Halloween Sweater

$54.99$40.99-$54.99

Sale - 49% Made By Us

Diggin' Up Dinosaurs Adult Button Up Shirt

$47.99$24.99-$27.99*

Made By Us Exclusive

Adult Care Bear Grumpy Bear Onesie

$54.99

Exclusive

Scooby Doo Union Suit

$68.99

Sweet Scarecrow Adult Poncho

$34.99

Sale - 11% Made By Us

Wonder Woman Dark Blue Ugly Christmas Sweater

$61.99$54.99-$61.99*

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.