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 833

Care Bears Classic Grumpy Bear Adult Costume

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Adult Care Bears Classic Grumpy Bear Costume

$68.99

Made By Us Exclusive

Men's White Suit Costume

$61.99

Sale - 25% Made By Us

Adult Red Suit Devil Costume

$54.99$41.99-$54.99*

Made By Us Exclusive

Adult Sesame Street Elmo Onesie Costume

$68.99

Made By Us Exclusive

Cookie Monster Sesame Street Onesie

$68.99-$143.99

Sale - 13% Made By Us

Joker 1989 Batman Pants

$54.99$47.99-$54.99*

Hooded Adult Skeleton Onesie

$34.99

Sale - 25% Made By Us

THE JOKER Slim Fit Suit Overcoat (Authentic)

$109.99$82.99-$109.99*

Sale - 33% Made By Us

Women's Beetlejuice Suit Pants

$41.99$27.99-$41.99*

Made By Us Exclusive

Adult White Astronaut Jumpsuit Costume

$61.99

Sale - 80% Made By Us

Adult Macho Man Union Suit Onesie

$68.99$13.99

Made By Us Exclusive

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99

Made By Us Exclusive

Women's Pink Dinosaur Onesie

$68.99

Super Mario Brothers Adult Mario Kigurumi Costume

$109.99

Pokemon Gengar Adult Kigurumi

$123.99

Women's Star Wars I am R2D2 Skater Dress Costume

$68.99

Made By Us Exclusive

Care Bears Deluxe Cheer Bear Plus Size Hoodie Costume

$95.99

Sale - 20% Made By Us

Brown Bear Adult Jumpsuit Costume

$68.99$54.99-$68.99*

Adult Incredibles T-Shirt Costume

$34.99

Sale - 60% Made By Us

Adult Hulk Hogan Union Suit

$68.99$27.99-$41.99

Super Mario Brothers Adult Luigi Kigurumi Costume

Adult Super Mario Brothers Luigi Kigurumi Costume

$109.99

Made By Us Exclusive

Adult Vintage Halloween Cat Halloween Sweater

$54.99

Sale - 20%

Women's Gothic Hooded Costume Dress

$68.99$54.99-$68.99*

Adult Stay Puft Marshmallow Man Costume Onesie

Made By Us Exclusive

Stay Puft Marshmallow Man Adult Costume Onesie

$61.99

Made By Us Exclusive

Plus Size Deluxe Marilyn Halter Dress Costume for Women

$47.99

Exclusive

Freddy Krueger Dress Costume

$47.99-$68.99

Women's Glitter Ghost Poncho Costume

$27.99-$34.99

Women's Pink Bouclé Costume Dress

$47.99

Sale - 33%

Aristocrat Costume for Men

$82.99$54.99-$102.99*

Men's Humbug Striped Suit

$136.99

Made By Us Exclusive

Adult Pumpkin Poncho Costume

$20.99

Sale - 50%

Disney Hocus Pocus Stitch Shoppe by Loungefly Natasha Dress

$136.99$68.99

The Pokemon Adult Charizard Kigurumi

$123.99

Super Mario Brothers Bowser Kigurumi Costume for Adults

$123.99

Sale - 50% Made By Us

The Dark Crystal Ugly Christmas Sweater

$68.99$34.99-$47.99

Toy Story Jessie T-Shirt

$27.99

Women's Plus Size Casual Wonder Woman Costume

Sale - 29% Exclusive

Plus Size Women's Casual Wonder Woman Costume

$47.99$34.99-$41.99

Sale - 11% Exclusive

Plus Size Freddy Krueger Costume Dress for Women

$61.99$54.99-$61.99*

Made By Us Exclusive

Adult Cozy Skeleton Onesie

$68.99

Scarecrow Poncho for Women

$34.99

Made By Us Exclusive

Plus Size White Suit Costume

$75.99

Sale - 40% Made By Us

Adult Bride of Frankenstein Costume Dress

$68.99$41.99

Sale - 60% Made By Us

Men's Newt Scamander Jacket

$136.99$54.99

Sale - 13%

Nintendo Pokemon Adult Pikachu Kigurumi

$109.99$95.99-$109.99*

Made By Us Exclusive

Adult Pajama Penguin Costume

$54.99

Sale - 30% Made By Us

Adult Narwhal Onesie Costume

$68.99$47.99-$68.99*

Sale - 25%

Tigger Pajama Costume

$109.99$82.99

Sale - 30% Made By Us

Adult Blob Fish Onesie Costume

$68.99$47.99

Candy Corn Women's Poncho

$27.99

Sale - 50%

Womens Costume Ghostbusters T-Shirt

$27.99$13.99-$20.99

Clearance Made By Us

Adult Annabelle Halloween Sweater

$68.99$20.99-$27.99

Voodoo Poncho Costume

$27.99

Sale - 25% Made By Us

Adult Skeleton Costume Poncho

$27.99$20.99

Made By Us Exclusive

Care Bears Deluxe Share Bear Hoodie Women's Costume

$82.99

Pokemon Jigglypuff Adult Kigurumi

$102.99

Adult Skeleton Kigurumi

$88.99

Sale - 33% Made By Us

Plus Size 101 Dalmatians Pongo Adult Costume Onesie

$82.99$54.99-$82.99*

Sale - 13%

Men's Miles Morales Costume Top

$54.99$47.99

Made By Us Exclusive

Quirky Kitty Halloween Sweater for Adults

$54.99

Women's Plus Size Scarecrow Poncho

$41.99

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.