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 836

Care Bears Classic Grumpy Bear Adult Costume

Made By Us Exclusive

Adult Care Bears Classic Grumpy Bear Costume

$68.99

Adult 101 Dalmatians Pongo Costume Onesie-2

Sale - 40% Made By Us

Adult Disney 101 Dalmatians Pongo Costume Onesie

$68.99$40.99-$68.99*

Made By Us Exclusive

Men's White Suit Costume

$61.99

Women's 80s Prom Dress Costume

$68.99-$74.99

Womens Mock Neck Solid Gold Jumpsuit Costume

$68.99

Care Bears Adult Plus Size Classic Cheer Bear Costume

Made By Us Exclusive

Plus Size Care Bears Adult Classic Cheer Bear Costume

$81.99

Made By Us Exclusive

Mens Shattered Glass Disco Shirt

$40.99

Made By Us Exclusive

Adult Sesame Street Elmo Onesie Costume

$68.99

Made By Us Exclusive

Cookie Monster Sesame Street Onesie

$68.99-$142.99

Sale - 17% Made By Us

THE JOKER Slim Fit Dress Shirt (Authentic)

$40.99$34.99

Sale - 38% Made By Us

THE JOKER Slim Fit Suit Vest (Authentic)

$54.99$34.99

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*

Made By Us Exclusive

Adult Cheer Bear Care Bears Onesie Costume

$54.99

Made By Us Exclusive

Adult David S. Pumpkins Suit

$74.99

Made By Us Exclusive

Sesame Street Oscar the Grouch Jumpsuit Costume for Adults

$108.99-$136.99

Sale - 11% Exclusive

Plus Size Freddy Krueger Costume Dress for Women

$61.99$54.99-$61.99*

Deluxe Dark Knight Catwoman Costume

$108.99-$122.99

Super Mario Brothers Bowser Kigurumi Costume for Adults

$122.99

How to Train Your Dragon Toothless Adult Kigurumi Costume

$122.99

Made By Us Exclusive

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99

Made By Us Exclusive

Adult Sesame Street Ernie Cosplay Knit Sweater

$68.99

Sale - 30%

Sonic the Hedgehog Adult Cosplay Union Suit

$68.99$47.99

Exclusive

Scooby Doo Union Suit

$68.99

Sale - 33%

Women's Red Wet Look Zip Front Bodysuit

$40.99$27.99-$34.99

Made By Us Exclusive

Adult Cheshire Cat Costume Onesie

$61.99

Sale - 17%

Wonder Woman T-Shirt Costume

$40.99$34.99-$54.99*

Clearance Made By Us

Pumpkin Spice Latte Halloween Sweater for Adults

$54.99$20.99-$27.99

Adult Black and Purple Bats Sweater Dress

Sale - 74% Made By Us

Black and Purple Bats Sweater Dress for Women

$68.99$17.99

Made By Us Exclusive

Adult Pumpkin Poncho Costume

$20.99

Halloween Blood Men's Suitmeister Suit

$81.99

The Pokemon Adult Charizard Kigurumi

$122.99

Made By Us Exclusive

Striped Nightmare on Elm Street Freddy Adult Sweater

$54.99

Made By Us Exclusive

Mens Pulp Fiction Suit Costume

$81.99

Made By Us Exclusive

Care Bears Deluxe Share Bear Hoodie Women's Costume

$81.99

Scarecrow Poncho for Women

$34.99

Super Mario Brothers Adult Mario Kigurumi Costume

$108.99

Made By Us Exclusive

Plus Size Black Suit Costume

$74.99

Made By Us Exclusive

Adult Pajama Penguin Costume

$54.99

Women's Glitter Ghost Poncho Costume

$27.99-$34.99

Made By Us Exclusive

Adult Sesame Street Bert Cosplay Knit Sweater

$68.99

Women's Lifeguard Costume

$47.99-$61.99

Sale - 20% Made By Us

Brown Bear Adult Jumpsuit Costume

$68.99$54.99-$68.99*

Sale - 25%

Adult Jack Skellington Tux Shirt

$27.99$20.99

Made By Us Exclusive

Adult Vintage Halloween Cat Halloween Sweater

$54.99

Sale - 50% Made By Us

Adult Panda Onesie Costume

$81.99$40.99

Sale - 33%

Aristocrat Costume for Men

$81.99$54.99-$102.99*

Pokemon Gengar Adult Kigurumi

$122.99

Voodoo Poncho Costume

$27.99

Sale - 25% Made By Us

Adult Skeleton Costume Poncho

$27.99$20.99

Sale - 10% Made By Us

Women's Veronica Corningstone Costume

$68.99$61.99-$68.99*

Sale - 33% Made By Us

Plus Size 101 Dalmatians Pongo Adult Costume Onesie

$81.99$54.99-$81.99*

Adult Skeleton Kigurumi

$88.99

Made By Us Exclusive

Quirky Kitty Halloween Sweater for Adults

$54.99

Pokemon Jigglypuff Adult Kigurumi

$102.99

Women's Plus Size Scarecrow Poncho

$40.99

Made By Us Exclusive

Harry Potter Slytherin Uniform Sweater for Adults

$47.99-$54.99

Suitmeister Summer USA Flag Mens Suit

$81.99

Sale - 80% Made By Us

Adult Spooky Smiles Halloween Sweater Dress

$68.99$13.99

Super Mario Brothers Adult Luigi Kigurumi Costume

Adult Super Mario Brothers Luigi Kigurumi Costume

$108.99

Sale - 28%

Women's Tattered Skeleton Poncho Costume

$34.99$24.99

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.