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 769

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Men's Ghostbusters Deluxe Costume

$68.99

Sale - 22%

Women's Groovy Go Go Dancer Costume

$50.99-$61.99$47.99-$75.99*

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Macho Man Randy Savage Costume

$95.99-$109.99

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Women's Ghostbusters Costume Jumpsuit

$81.99

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Back to the Future Marty McFly Costume

$95.99-$109.99

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Ferris Bueller Adult Costume

$81.99

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Men's Ace Ventura Costume with Wig

$81.99

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Women's Work It Out 80s Costume

$61.99

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Dragon Ball Z Adult Goku Costume

$68.99

Ghostbusters Mens Plus Size Deluxe Costume

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Men's Plus Size Ghostbusters Deluxe Costume

$81.99

Jack Skellington Prestige Men's Costume

$143.99

Men's Black Disco Pants

$27.99

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Adult Running Forrest Gump Costume

$81.99

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Clueless Cher Women's Costume

$81.99

Ghostbusters Women's Plus Size Costume Jumpsuit

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Plus Size Ghostbusters Women's Costume Jumpsuit

$95.99

Sale - 14% Made By Us

Mafia Men's Underboss Costume

$47.99$40.99-$54.99*

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Adult Grease Jacket

$68.99-$88.99

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Mens Disco Ball Shirt

$40.99-$47.99

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Women's Gorgeous Girl Costume

$68.99

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The Magic School Bus Miss Frizzle Costume

$54.99

Care Bears Classic Grumpy Bear Adult Costume

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Adult Care Bears Classic Grumpy Bear Costume

$68.99

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Care Bears Adult Classic Funshine Bear Costume

$68.99

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Demon Costume KISS

$81.99

Adult Putrid Papa Costume

$75.99

Care Bears Deluxe Cheer Bear Adult Costume

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Adult Care Bears Deluxe Cheer Bear Costume

$95.99

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Women's Plus Size Work It Out 80s Costume

$68.99

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Women's Push It Pop Star

$81.99

Plus Size Women's Foxy Lady Disco Costume

Sale - 42%

Women's Plus Size Foxy Disco Lady Costume

$81.99$47.99-$81.99*

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Men's Camo Soldier Costume

$47.99

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Women's Grumpy Bear Romper Costume

$68.99

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Adult Richard Simmons Costume

$54.99

Women's Sexy Silver Secret Agent Costume

$34.99-$40.99

Ghostbusters Womens Plus Size Costume Dress

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Plus Size Ghostbusters Women's Costume Dress

$68.99-$109.99

Grease Plus Size Pink Ladies Jacket-update1

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Plus Size Adult Pink Ladies Costume Jacket

$40.99

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Back to the Future 2015 Doc Brown Costume

$81.99

Women's Gold Disco Fox Adult Costume

$61.99-$75.99

Womens Plus Size Groovy Flower Power Costume

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Plus Size Groovy Flower Power Costume for Women

$47.99

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Men's Clyde Costume

$40.99

Sale - 25%

Womens Disco Doll Costume

$54.99$40.99-$75.99*

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Wide Stripe Plus Size Gangster Costume

$61.99

Marilyn Monroe Costume Dress

$34.99

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Karate Kid Cobra Kai Costume

$95.99

Sale - 40%

Women's Hippie Poncho Costume

$34.99$20.99

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Spaceman Costume KISS

$68.99-$122.99

Sale - 25% Made By Us

Men's Dazzling Disco Costume Shirt

$54.99$40.99

Sale - 57% Made By Us

Women's Roller Skate Rita Costume

$47.99$20.99-$27.99

Deluxe Plus Size Gangster Costume_Update

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Deluxe Plus Size Gangster Costume for Men

$61.99-$95.99

Sale - 43%

Women's Plus Size Feelin Groovy Costume Dress

$47.99$27.99-$47.99*

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Women's Deluxe Ms. Frizzle Costume

$81.99-$122.99

Sale - 11%

Power Rangers: Red Ranger Morphsuit Costume

$61.99$54.99-$81.99*

British Girl Power Popstar Costume Women's

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British Girl Power Popstar Women's Costume

$54.99

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Adult Breakfast at Tiffany's Holly Golightly Costume

$81.99

Sale - 33%

Power Rangers: Yellow Ranger Morphsuit Costume

$61.99$40.99-$61.99

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Dragon Ball Z Adult Bulma Costume

$81.99

Sale - 22%

Power Rangers: Blue Ranger Morphsuit Costume

$61.99$47.99-$61.99*

Sale - 50% Made By Us

Plus Size Hardworking Lady Costume for Women

$81.99$40.99-$54.99

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Men's Blue Flower Disco Shirt

$34.99-$54.99

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Women's Ghostbusters Zuul Costume

$68.99

Sale - 38%

Women's Sexy Girl's Best Friend Celebrity Costume

$109.99$68.99

White Ranger Classic Muscle Adult Costume Update

Men's Power Rangers White Ranger Classic Muscle Costume

$95.99

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.