Adult Costumes

1 - 60 of 64

Filter Adult Costumes by:

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 64

Made By Us Exclusive

Thing 1 & Thing 2 Adult Costume

$47.99

Sale - 13% Made By Us

Cat in the Hat Adult Costume

$54.99$47.99-$54.99*

Sale - 30% Exclusive

Women's Deluxe Harry Potter McGonagall Costume

$136.99$95.99-$136.99*

Made By Us Exclusive

Green Eggs & Ham Sandwich Board Costume

$45.99

Made By Us Exclusive

Adult Sam I Am Costume

$47.99

Made By Us Exclusive

The Magic School Bus Miss Frizzle Costume

$54.99

Made By Us Exclusive

Adults Magic School Bus Liz Costume

$82.99-$95.99

Sale - 20% Made By Us

Vintage Harry Potter Hogwarts Slytherin Robe

$68.99$54.99

Sale - 10% Exclusive

Deluxe Harry Potter Hagrid Men's Costume

$136.99$123.99-$136.99*

Made By Us Exclusive

Men's Edgar Allan Poe Costume

$68.99-$95.99

Baby Shark Daddy Shark Adult Costume with Sound Chip

$54.99

Made By Us Exclusive

The Magic School Bus Miss Frizzle Plus Size Costume

$68.99

Made By Us Exclusive

Captain Underpants Adult Costume

$75.99-$116.99

Made By Us Exclusive

Vintage Harry Potter Hogwarts Gryffindor Robe

$82.99

Sale - 10% Exclusive

Deluxe Harry Potter Snape Men's Costume

$136.99$123.99-$136.99*

Made By Us Exclusive

Vintage Harry Potter Hogwarts Ravenclaw Robe

$68.99

Made By Us Exclusive

Men's Raggedy Andy Costume

$82.99-$95.99

Made By Us Exclusive

Plus Size Wizard Costume

$82.99-$95.99

Made By Us Exclusive

Women's Plus Size Carmen Sandiego Costume

$61.99

Made By Us Exclusive

Plus Size Sam I Am Costume

$54.99-$61.99

Sale - 29% Made By Us

Adult Dr. Seuss Star Bellied Sneetch Costume

$116.99$82.99

Sale - 14%

Where's Waldo Adult Costume

$47.99$41.99-$47.99*

Sale - 22% Made By Us

Women's Chicka Chicka Boom Boom Costume

$61.99$47.99-$61.99*

Made By Us Exclusive

Harry Potter Gryffindor Uniform Sweater for Adults

$47.99

Baby Shark Mommy Shark Adult Costume with Sound Chip

$102.99

Exclusive

Spider-Man Women's Costume

$123.99-$177.99

Made By Us Exclusive

Adult Inflatable Captain Underpants Costume

$95.99

Sale - 11% Made By Us

Cat in the Hat Women's Costume

$61.99$54.99-$61.99*

Plus Size Women's Westward Pioneer Costume

Sale - 50% Made By Us

Women's Plus Size Westward Pioneer Costume

$82.99$41.99-$47.99

Sale - 20% Made By Us

Adult Purple Wizard Costume

$68.99$54.99-$88.99*

Sale - 17% Made By Us

Plus Size Exclusive Raggedy Ann Costume for Women

$82.99$68.99-$82.99*

Sale - 40% Exclusive

Deluxe Harry Potter Dumbledore Men's Costume

$136.99$82.99

Made By Us Exclusive

Women's Exclusive Raggedy Ann Costume

$68.99

Made By Us Exclusive

Lightweight Gryffindor Quidditch Sweater for Adults

$20.99-$61.99

Made By Us Exclusive

Where's Waldo Costume

$20.99-$41.99

Made By Us Exclusive

Plus Size Raggedy Andy Men's Costume

$88.99

Made By Us Exclusive

Womens Carmen Sandiego Costume

$54.99

Made By Us Exclusive

Women's Laura Ingalls Wilder Costume

$82.99

Sale - 29% Made By Us

Cat in the Hat Adult Premium Costume

$95.99$68.99-$109.99*

Sale - 20% Made By Us

Women's Westward Pioneer Costume

$68.99$54.99

Clifford the Big Red Dog Plus Size Adult Costume

Made By Us Exclusive

Plus Size Clifford the Big Red Dog Adult Costume

$95.99

Sale - 38% Exclusive

Adult Harry Potter Deluxe Gryffindor Robe

$54.99$34.99-$47.99

Made By Us Exclusive

Clifford the Big Red Dog Adult Costume

$82.99-$95.99

Sale - 64% Made By Us

Deluxe Wizard Costume for Men

$75.99$27.99

Sale - 83% Made By Us

The Magic School Bus Rides Again Adult Ms Fiona Frizzle

$41.99$6.99

Sale - 25% Made By Us

Deluxe Grinch Costume

$109.99$82.99

Made By Us Exclusive

Women's Dr. Seuss Cindy Lou Who Costume

$68.99

Adult Grinch Costume Top Hat and Half Mask 1

Sale - 17% Made By Us

Adult The Grinch Santa Costume

$41.99$34.99

Sale - 25% Made By Us

Plus Size Grinch Costume

$109.99$82.99

Made By Us Exclusive

The Grinch Adult Onesie Costume

$68.99

Men's The Grinch Santa Jumpsuit with Mask Costume Update

Made By Us Exclusive

The Grinch Santa Deluxe Men's Jumpsuit with Mask Costume

$136.99

Made By Us Exclusive

Thing 1 & Thing 2 Striped Knee High Socks

$15.99

Made By Us Exclusive

Crew Thing 1 & Thing 2 Socks

$13.99

Made By Us Exclusive

The Cat In The Hat Pattern Socks Adult

$13.99

Made By Us Exclusive

Thing 1 and Thing 2 Knee High Costume Socks

$13.99

Made By Us Exclusive

Thing 1 & 2 Costume Adult Socks

$13.99

Sale - 30% Made By Us

Fox in Socks Knee High Costume Socks

$13.99$9.99

Out of Stock

Where's Waldo Deluxe Adult Costume

$41.99

Where's Waldo Deluxe Plus Size Adult Costume

Out of Stock

Plus Size Where's Waldo Deluxe Costume for Adults

$68.99

Out of Stock

Where's Waldo Wenda Adult Costume

$27.99

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.