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 4,978

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Kansas Girl Long Dress Costume

$40.99

Sale - 17% Exclusive

Disney Little Mermaid Women's Ursula Prestige Costume

$163.99$136.99-$163.99*

Sale - 17% Made By Us

Adult Sea Turtle Costume

$81.99$68.99-$95.99*

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Women's Work It Out 80s Costume

$61.99-$74.99

Care Bears Adult Classic Grumpy Bear Costume Alt 2

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Adult Care Bears Classic Grumpy Bear Costume

$68.99

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Adult Deluxe Lion Costume

$68.99-$81.99

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Adult Flower Pot Costume

$34.99

Sale - 25%

Womens Disco Doll Costume

$54.99$40.99-$81.99*

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Women's Ghostbusters Costume Jumpsuit

$81.99

Womens Pirate Flag Fortune Teller Costume update

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Womens Skeleton Flag Rogue Pirate Costume

$95.99-$102.99

Monsters Inc Adult Mike Inflatable Costume

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Monsters Inc Adult Mike Wazowski Inflatable Costume

$108.99

Classic Women's Scooby Doo Daphne Costume Update 1

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Women's Classic Scooby Doo Daphne Costume

$47.99-$54.99

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Clueless Cher Women's Costume

$81.99

Women's Jurassic Park Ellie Sattler Costume Update 1

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Women's Jurassic Park Dr. Ellie Sattler Costume

$54.99

Women's Little Mermaid Ursula Prestige Costume

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Plus Size Little Mermaid Ursula Prestige Costume for Women

$177.99

Sale - 29% Exclusive

Women's Classic Scooby Doo Velma Costume

$47.99$34.99-$40.99

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Care Bears Adult Classic Share Bear Costume

$68.99

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Deluxe Nun Costume

$81.99-$95.99

Incredibles 2 Classic Mrs. Incredible Women's Costume

$47.99

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Womens Kill Bill Beatrix Kiddo Women's Costume

$81.99

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Adult's Zookeeper Costume

$68.99

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Plus Size Traditional Nun Costume for Women

$40.99-$47.99

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Adult Dark Reaper Costume

$47.99-$54.99

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Care Bears Adult Classic Funshine Bear Costume

$68.99

Classic Women's Flintstones Wilma Costume

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Women's Classic Flintstones Wilma Costume

$40.99-$54.99

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Ravishing Ringmaster Women's Costume

$68.99

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Women's Fire Captain Costume

$68.99

Care Bears Adult Classic Cheer Bear Costume_update

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Adult Care Bears Classic Cheer Bear Costume

$74.99

Women's Voodoo Magic Costume

$68.99

Sale - 40% Exclusive

Wonder Woman Adult Long-Sleeved Dress

$68.99$40.99-$68.99*

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Women's Rainbow Brite Costume

$68.99

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Disney Women's The Little Mermaid Ariel Blue Dress Costume

$81.99

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Adult Iguana Costume

$108.99-$149.99

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Women's Fresh Chef Costume

$54.99

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Care Bears Adult Classic Tenderheart Bear Costume

$68.99

Exclusive

Avatar The Last Airbender Women's Toph Costume

$61.99-$95.99

Sale - 33% Exclusive

Wizard of Oz Glinda Adult Costume

$81.99$54.99-$81.99*

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Women's Royal Vampire Costume

$54.99

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Thing 1 & Thing 2 Adult Costume

$47.99

Women's 80s Prom Dress Costume

$68.99-$74.99

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Women's Disney Snow White Costume

$81.99

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Plus Size Mr. / Mrs. Potato Head Costume

$74.99

British Girl Power Popstar Costume Women's

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British Girl Power Popstar Women's Costume

$54.99-$61.99

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Harry Potter Adult Deluxe Ravenclaw Robe

$54.99

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Men's Donkey Costume

$74.99-$88.99

Photoreal Pizza Slice Costume for Adults

$34.99

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Adult Inflatable Ghostbusters Stay Puft Costume

$68.99

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Adult Magic Carpet Aladdin Costume

$68.99

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Monsters Inc Adult Sulley Inflatable Costume

$108.99

Womens A League of Their Own Dottie Costume Main UPD

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A League of Their Own Women's Dottie Costume

$81.99

Sale - 30% Exclusive

Women's Deluxe Harry Potter McGonagall Costume

$136.99$95.99-$136.99*

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Women's Gorgeous Girl Costume

$68.99

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Plus Size Kansas Girl Costume for Women

$54.99

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Monsters Inc. Women's Celia Costume

$81.99-$108.99

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Adult Grease Pink Ladies Costume Jacket

$34.99

Grease Plus Size Pink Ladies Jacket-update1

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Plus Size Adult Pink Ladies Costume Jacket

$40.99

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Women's Dreadful Nun Costume

$54.99

A League of Their Own Adult Economy Costume

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Women's A League of Their Own Economy Costume

$54.99

Mrs / Mr Potato Head Costume

$74.99

Sale - 25% Exclusive

Harry Potter Adult Deluxe Slytherin Robe

$54.99$40.99-$54.99*

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.