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 821

Women's Star Wars I am R2D2 Skater Dress Costume

$68.99

Made By Us Exclusive

Adult Jockey Shirt Costume

$41.99

Made By Us Exclusive

Cookie Monster Sesame Street Onesie

$68.99-$143.99

Care Bears Classic Grumpy Bear Adult Costume

Made By Us Exclusive

Adult Care Bears Classic Grumpy Bear Costume

$68.99

Adult Incredibles T-Shirt Costume

$27.99

Made By Us Exclusive

Adult Sesame Street Elmo Onesie Costume

$68.99-$82.99

Hooded Adult Skeleton Onesie

$34.99

Sale - 17% Made By Us

Women's Beetlejuice Suit Pants

$41.99$34.99-$41.99*

Deluxe Dark Knight Catwoman Costume

$109.99-$123.99

Sale - 20% Made By Us

Brown Bear Adult Jumpsuit Costume

$68.99$54.99-$68.99*

Care Bears Adult Plus Size Classic Cheer Bear Costume

Made By Us Exclusive

Plus Size Care Bears Adult Classic Cheer Bear Costume

$82.99

Toy Story Jessie T-Shirt

$27.99

Made By Us Exclusive

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99

Made By Us Exclusive

Adult Cheer Bear Care Bears Onesie Costume

$54.99

Made By Us Exclusive

Adult Care Bear Grumpy Bear Onesie

$109.99

Women's Pumpkin Poncho Costume

$27.99

Sale - 40%

Women's Hippie Poncho Costume

$34.99$20.99

Made By Us Exclusive

Care Bears Deluxe Cheer Bear Plus Size Hoodie Costume

$95.99

Women's Plus Size Scarecrow Poncho

$41.99

Sale - 60% Made By Us

Adult Macho Man Union Suit Onesie

$68.99$27.99-$41.99

Made By Us Exclusive

Sesame Street Oscar the Grouch Jumpsuit Costume for Adults

$109.99-$136.99

Sale - 60% Made By Us

Adult Hulk Hogan Union Suit

$68.99$27.99-$41.99

Sale - 38% Made By Us

THE JOKER Slim Fit Suit Vest (Authentic)

$54.99$34.99

Clearance Made By Us

IT (2019) Pennywise Halloween Sweater for Adults

$68.99$27.99

Adult Transformers Optimus Prime Union Suit

Made By Us Exclusive

Transformers Optimus Prime Adult Union Suit

$68.99

Adult 101 Dalmatians Pongo Costume Onesie-2

Sale - 40% Made By Us

Adult Disney 101 Dalmatians Pongo Costume Onesie

$68.99$41.99-$68.99*

Made By Us Exclusive

1989 Batman Joker Overcoat

$109.99

Made By Us Exclusive

Adult Pumpkin Poncho Costume

$20.99

Made By Us Exclusive

Striped Nightmare on Elm Street Freddy Adult Sweater

$54.99

Exclusive

Freddy Krueger Dress Costume

$47.99-$68.99

Clearance - 75%

Men's Spider-Man 2099 Costume Top

$54.99$13.99

The Pokemon Adult Charizard Kigurumi

$123.99

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

Clearance - 50%

Adult Naruto Uzumaki Cosplay Tee

$27.99$13.99

Mens Suitmeister Button Up Beer White Shirt

Sale - 33%

Men's Suitmeister Button Up White Beer Shirt

$41.99$27.99

Sale - 20% Made By Us

Plus Stay Puft Marshmallow Man Costume Onesie

$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

Sale - 22%

Adult Unisex Ninja Onesie

$61.99$47.99-$54.99

Made By Us Exclusive

Care Bears Deluxe Share Bear Hoodie Women's Costume

$82.99

Sale - 13% Made By Us

Joker 1989 Batman Pants

$54.99$47.99-$54.99*

Made By Us Exclusive

Adult Pajama Penguin Costume

$54.99

Women's Glitter Ghost Poncho Costume

$27.99-$34.99

How to Train Your Dragon Toothless Adult Kigurumi Costume

$123.99

Clearance - 55%

Women's Unique Vintage Corpse Bride Sweater

$106.99$47.99

Sale - 11% Exclusive

Plus Size Freddy Krueger Costume Dress for Women

$61.99$54.99-$61.99*

Made By Us Exclusive

Men's White Suit Costume

$61.99

Sale - 17%

Wonder Woman T-Shirt Costume

$41.99$34.99-$54.99*

Sale - 17% Made By Us

Mens Silver Sequin Disco Pants

$41.99$34.99-$41.99*

Nintendo Pokemon Adult Snorlax Kigurumi

$116.99

Voodoo Poncho Costume

$27.99

Made By Us Exclusive

Adult Skeleton Costume Poncho

$27.99

Clearance Made By Us

Adult Plague Doctor Halloween Sweater

$54.99$27.99-$34.99

Beetlejuice It's Showtime! Adult Ugly Halloween Sweater 1

Made By Us Exclusive

Beetlejuice It's Showtime! Adult Halloween Sweater

$68.99

Made By Us Exclusive

Adult Sesame Street Bert Cosplay Knit Sweater

$68.99

Adult Skeleton Kigurumi

$88.99

Made By Us Exclusive

Mens Pulp Fiction Suit Costume

$82.99

Sale - 33% Made By Us

Plus Size 101 Dalmatians Pongo Adult Costume Onesie

$82.99$54.99-$82.99*

Men's Miles Morales Costume Top

$54.99

Made By Us Exclusive

Quirky Kitty Halloween Sweater for Adults

$54.99

Sale - 30% Made By Us

Adult Care Bears Trick-or-Sweet Bear Halloween Sweater

$68.99$47.99-$68.99*

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.