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 60

Made By Us Exclusive

Beetlejuice Women's Blazer

$81.99-$95.99

Sale - 50%

Womens Costume Ghostbusters T-Shirt

$27.99$13.99-$20.99

Stitch Pajama Costume

$102.99

Clearance

Minnie Mouse Pajama Costume

$109.99

Adult Rilakkuma Kigurumi Pajama Costume

$102.99

Alien Pajama Costume

$109.99

Nintendo Pokemon Adult Snorlax Kigurumi

$116.99

Men's Plus Size Authentic Marty McFly Jacket

Made By Us Exclusive

Plus Size Authentic Marty McFly Jacket Men's Costume

$273.99

Pooh Pajama Costume

$109.99

Sale - 17%

Adult Pug Kigurumi Pajama Costume

$81.99$68.99

Sailor Moon Adult Luna Kigurumi

$109.99

Sale - 47%

Men's Batman Logo Black T-Shirt

$20.99$10.99-$20.99

Made By Us Exclusive

Classic Rainbow Brite Adult Ugly Christmas Sweater

$68.99

Cheshire Cat Pajama Costume

$102.99

How to Train Your Dragon Toothless Adult Kigurumi Costume

$122.99

Women's Star Wars I am R2D2 Skater Dress Costume

$68.99

Sale - 18%

Adult Sloth Kigurumi Pajama Costume

$75.99$61.99

Naruto Akatsuki Cloud Cosplay Hoodie for Adults

$20.99-$54.99

Made By Us Exclusive

Authentic Marty McFly Jacket Costume

$259.99

Made By Us Exclusive

The Grinch Adult Onesie Costume

$68.99

Made By Us Exclusive

Adult A Very Corgi Christmas Ugly Christmas Sweater

$54.99

Sale - 20% Made By Us

Alf Adult Ugly Christmas Sweater

$68.99$54.99-$68.99*

Made By Us Exclusive

Sailor Moon Fair Isle Adult Ugly Christmas Sweater

$68.99

Sale - 20% Made By Us

Gremlins Gizmo Claus Ugly Christmas Sweater

$68.99$54.99-$68.99*

Sale - 40% Made By Us

Flash Logo Men's Ugly Christmas Sweater

$68.99$40.99-$61.99

Made By Us Exclusive

Adult Vintage Santa Unisex Ugly Christmas Sweater

$54.99

Suitmeister Christmas Green Nordic Women's Blazer

Women's Suitmeister Christmas Green Nordic Blazer

$54.99

Sale - 50%

Adult Crackling Fireplace Ugly Christmas Sweater

$54.99$27.99-$47.99*

Sale - 30%

Winter Wonderland Men's Suit

$136.99$95.99-$136.99*

Made By Us Exclusive

Peppermint Candy Ugly Christmas Sweater for Adults

$13.99

Sale - 40%

Men's OppoSuits Santaboss Suit

$136.99$81.99-$136.99*

Sale - 40% Made By Us

Grumpy Bear Adult Care Bears Ugly Christmas Sweater

$68.99$40.99-$54.99

Sale - 20% Made By Us

Adult Gremlins Caroling Trio Ugly Christmas Sweater

$68.99$54.99-$68.99*

Made By Us Exclusive

Adult Harry Potter "H" Christmas Sweater

$61.99

Sale - 50%

Men's OppoSuits Red Christmas Costume Suit

$136.99$68.99

Made By Us Exclusive

Gryffindor Scarf

$34.99

Made By Us

Men's Knee-High Mismatched Pirate Socks

$13.99

Sonic the Hedgehog- Plush Adult Sonic Cosplay Slippers

$54.99

Made By Us Exclusive

Adult Karate Kid Cobra Kai Bathrobe

$68.99

My Hero Academia- Adult Deku Shoe Plush Slippers

$47.99

Sale - 58%

Odd Sox Back to the Future Adult Knit Socks

$16.99$6.99

Sale - 20%

Hufflepuff Harry Potter Comfy Throw

$34.99$27.99

Sale - 60% Made By Us

Karate Kid Daniel San Bathrobe Costume

$68.99$27.99

Sale - 40%

Ravenclaw Harry Potter Comfy Throw

$34.99$20.99

Made By Us Exclusive

Crew Thing 1 & Thing 2 Socks

$13.99

Made By Us Exclusive

Adult Good Luck Bear Care Bears Slippers

$27.99

Clearance - 60%

Men's Batman Cape Crew Socks

$13.99$5.99

Sale - 28%

Slytherin Harry Potter Comfy Throw

$34.99$24.99

Two Left Feet Trim-A-Tree Christmas Ornament Adult

$2.99

Out of Stock

Adult Tabby Cat Pajama Costume

$81.99

Out of Stock

Adult Shark Costume Kigurumi

$79.99

Out of Stock

Harley Jester Pajama Costume

$68.99

Plus Back to The Future Marty McFly Jacket

Out of Stock

Made By Us Exclusive

Plus Size Back to The Future II Marty McFly Jacket Costume

$95.99

Ron Weasley R Christmas Sweater for Adults-2_Update

Out of Stock

Made By Us Exclusive

Ron Weasley "R" Christmas Sweater for Adults

$61.99

Tenderheart Bear Adult Unisex Costume T-Shirt Alt 1

Out of Stock

Exclusive

Tenderheart Bear Adult Unisex Costume T-Shirt

$20.99

Out of Stock

Knee High American Flag Cape Socks

$13.99

Out of Stock

DC Comics The Flash Knee High Wing Socks

$13.99

Toy Story Woody Adult Comfy Throw-update

Out of Stock

Exclusive

Adult Toy Story Woody Comfy Throw

$17.99

Clearance

Men's Ugly Christmas Cardigan

$20.99

Toy Story Buzz Lightyear Adult Comfy Throw

Clearance Exclusive

Adult Toy Story Buzz Lightyear Comfy Throw

$20.99

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.