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 770

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Men's Ghostbusters Deluxe Costume

$68.99-$82.99

Sale - 22%

Women's Groovy Go Go Dancer Costume

$50.99-$61.99$48.99-$75.99*

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Women's Ghostbusters Costume Jumpsuit

$82.99

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Back to the Future Marty McFly Costume

$96.99-$110.99

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Macho Man Randy Savage Costume

$96.99-$110.99

Men's Black Disco Pants

$27.99

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Men's Ace Ventura Costume with Wig

$82.99

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Adult Running Forrest Gump Costume

$82.99

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Adult Garfield Costume

$68.99

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Women's Work It Out 80s Costume

$61.99-$68.99

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Dragon Ball Z Adult Goku Costume

$68.99

Plus Size Women's Foxy Lady Disco Costume

Sale - 42%

Women's Plus Size Foxy Disco Lady Costume

$82.99$48.99-$82.99*

Jack Skellington Prestige Men's Costume

$144.99

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Care Bears Adult Classic Funshine Bear Costume

$68.99

Sale - 25%

Womens Disco Doll Costume

$55.99$41.99-$75.99*

Ghostbusters Women's Plus Size Costume Jumpsuit

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Plus Size Ghostbusters Women's Costume Jumpsuit

$96.99

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Women's Push It Pop Star

$82.99

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Women's Gorgeous Girl Costume

$68.99

Sale - 27% Made By Us

Adult Grease Jacket

$68.99-$75.99$55.99-$89.99*

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Ferris Bueller Adult Costume

$82.99

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The Magic School Bus Miss Frizzle Costume

$55.99

Sale - 14% Made By Us

Mafia Men's Underboss Costume

$48.99$41.99-$55.99*

Care Bears Classic Grumpy Bear Adult Costume

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Adult Care Bears Classic Grumpy Bear Costume

$68.99

Care Bears Deluxe Cheer Bear Adult Costume

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Adult Care Bears Deluxe Cheer Bear Costume

$96.99

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Men's Ace Ventura Tutu Costume

$82.99

Ghostbusters Mens Plus Size Deluxe Costume

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Men's Plus Size Ghostbusters Deluxe Costume

$82.99-$96.99

Adult Putrid Papa Costume

$75.99

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Clueless Cher Women's Costume

$82.99

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Ghostbusters Men's Cosplay Costume

$137.99-$165.99

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Women's Grumpy Bear Romper Costume

$68.99

Power Rangers Pink Ranger Women's Costume

$68.99

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Men's Clyde Costume

$41.99

Ghostbusters Womens Plus Size Costume Dress

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Plus Size Ghostbusters Women's Costume Dress

$68.99-$110.99

Sale - 25% Made By Us

Men's Work It Out 80s Costume

$55.99$41.99-$55.99*

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Adult Richard Simmons Costume

$55.99

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Back to the Future 2015 Doc Brown Costume

$82.99

The Smurfs Women's Adult Smurf Smurfette Costume

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The Smurfs Women's Smurfette Costume

$68.99

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Women's Plus Size Work It Out 80s Costume

$68.99

Deluxe Plus Size Gangster Costume_Update

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Deluxe Plus Size Gangster Costume for Men

$61.99-$96.99

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Adult Groovy Flower Power Costume

$41.99-$48.99

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Men's The Big Lebowski The Dude Bathrobe Costume

$68.99

Marilyn Monroe Costume Dress

$34.99

Women's Gold Disco Fox Adult Costume

$61.99-$75.99

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Men's White Sailor Costume

$41.99-$68.99

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Men's Camo Soldier Costume

$48.99

Sale - 57% Made By Us

Women's Roller Skate Rita Costume

$48.99$20.99-$27.99

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Back to the Future Doc Brown Costume

$68.99-$75.99

Grease Plus Size Pink Ladies Jacket-update1

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Plus Size Adult Pink Ladies Costume Jacket

$41.99

Sale - 25%

Plus Size Women's Peace & Love Costume

$55.99$41.99-$82.99*

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Women's Deluxe Ms. Frizzle Costume

$82.99-$124.99

Power Rangers Men's Green Ranger Costume

$124.99

Sale - 22%

Power Rangers: Blue Ranger Morphsuit Costume

$61.99$48.99-$61.99*

Sale - 22%

Power Rangers: White Ranger Morphsuit Costume

$61.99$48.99-$61.99*

Sale - 50% Made By Us

Plus Size Hardworking Lady Costume for Women

$82.99$41.99-$55.99

Sale - 33%

Power Rangers: Yellow Ranger Morphsuit Costume

$61.99$41.99-$61.99

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Men's Blue Flower Disco Shirt

$34.99-$55.99

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Women's Clueless Dee Costume

$82.99

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Women's Ghostbusters Zuul Costume

$68.99

White Ranger Classic Muscle Adult Costume Update

Men's Power Rangers White Ranger Classic Muscle Costume

$96.99

Sale - 17% Made By Us

Plus Size Flashdance Costume for Women

$82.99$68.99-$82.99*

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.