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 7,370

Exclusive

Harry Potter Adult Deluxe Ravenclaw Robe

$54.99

Sale - 22% Made By Us

Wonder Woman Dark Blue Ugly Christmas Sweater

$61.99$47.99-$61.99*

Sale - 25% Exclusive

Harry Potter Adult Deluxe Slytherin Robe

$54.99$40.99-$54.99*

Sale - 22% Made By Us

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99$47.99

North Pole Train Conductor Adult Costume

Made By Us Exclusive

North Pole Train Conductor Costume Adult

$81.99-$95.99

Sale - 13% Exclusive

Harry Potter Adult Deluxe Hufflepuff Robe

$54.99$47.99-$54.99*

Sale - 17%

Adult Saint Joseph Costume

$40.99$33.99-$40.99*

Sale - 42% Made By Us

Adult Gremlins Gizmo Costume

$81.99$47.99-$61.99

Women's Striped Jumpsuit Costume

$54.99

Sale - 20% Made By Us

Classic Rainbow Brite Adult Ugly Christmas Sweater

$67.99$54.99-$67.99*

Sale - 38% Exclusive

Adult Harry Potter Deluxe Gryffindor Robe

$54.99$33.99-$47.99

Sale - 29% Exclusive

Women's Classic Scooby Doo Velma Costume

$47.99$33.99-$40.99

Sale - 18% Made By Us

Men's Red Holiday Santa Suit

$74.99$61.99

Made By Us Exclusive

Adult Blob Fish Onesie Costume

$67.99

Made By Us Exclusive

Women's 18th Century Ghost Costume

$81.99

Mens Classic Lederhosen Oktoberfest Costume

Sale - 14% Made By Us

Men's Classic Brown Lederhosen Oktoberfest Costume

$47.99$40.99

Sale - 40%

Women's Disco Ball Holographic Bodysuit

$67.99$40.99

Made By Us Exclusive

Men's Baphomet Costume

$135.99

Sale - 38% Made By Us

Women's Diamond Flare Clown Costume

$88.99$54.99-$61.99

Sale - 10%

Women's Let's Get Physical Costume

$67.99$61.99

Sale - 13% Made By Us

Kill Bill Elle Driver Nurse Womens Costume

$54.99$47.99

Sale - 40%

Women's Sweet Witch Costume

$135.99$81.99-$95.99

Plus Size Classic Scooby Doo Velma Costume Update 1

Sale - 22% Exclusive

Classic Plus Size Scooby Doo Velma Costume

$61.99$47.99-$61.99*

Sale - 33% Made By Us

Adult Plague Doctor Costume

$81.99$54.99-$81.99*

Women's Dalmatian Diva Costume

$54.99

Sale - 13% Made By Us

Striped Nightmare on Elm Street Freddy Adult Sweater

$54.99$47.99-$54.99*

Made By Us Exclusive

Deluxe Adult Gray Suit Costume

$54.99-$67.99

Sale - 42% Made By Us

Adult Inflatable Hippo Costume

$81.99$47.99

Sale - 20% Exclusive

Winnie the Pooh Deluxe Adult Costume

$67.99$54.99-$61.99

Made By Us Exclusive

Deluxe Wizard Costume for Men

$74.99

Made By Us Exclusive

Women's Push It Pop Star

$81.99

Sale - 38% Made By Us

Disney Stitch Baby Carrier Cover Costume

$54.99$33.99

Made By Us Exclusive

Macho Man Randy Savage Costume

$95.99

Women's Black Fringe Flapper Costume

$47.99

Sale - 17% Exclusive

Harry Potter Adult Ravenclaw Robe

$40.99$33.99-$40.99*

Made By Us Exclusive

Adult Autumn Flower Hippie Costume

$47.99

Made By Us Exclusive

Women's Lavish Leprechaun Costume

$81.99

Sale - 50% Made By Us

The Dark Crystal Ugly Christmas Sweater

$67.99$33.99-$40.99

Clearance Exclusive

Men's Boba Fett Costume

$95.99$27.99-$40.99

Sale - 25% Exclusive

Adult Pinky and the Brain Pinky Costume

$81.99$61.99

Made By Us Exclusive

Mens Disco Ball Shirt

$40.99

Sale - 40% Made By Us

Plus Size Jungle Man Costume

$33.99$20.99

Sale - 33% Exclusive

Women's X-Ray Skeleton Jumpsuit Costume

$40.99$27.99

Sale - 14%

Women's Green and Blue Flower Power Costume

$47.99$40.99

Sale - 10% Exclusive

Women's Deluxe Harry Potter McGonagall Costume

$135.99$122.99-$135.99*

Sale - 43% Made By Us

Diggin' Up Dinosaurs Adult Button Up Shirt

$47.99$27.99

Sale - 40% Made By Us

Dr. Seuss Thing Baby Carrier Cover

$40.99$24.99

Good Time Gal Women's Costume

$81.99

Sale - 21%

Playboy Women's Sexy RN Costume

$95.99$74.99

Womens Sexy Plus Size Bubble Bath Babe Costume

Sale - 33%

Plus Size Sexy Bubble Bath Babe Costume for Women

$122.99$81.99

Sale - 38%

Women's Venus Fly Trap Dress

$54.99$33.99

Made By Us Exclusive

Always Sunny Dayman Yellow Suit Plus Size Costume

$81.99

Made By Us Exclusive

Women's Bouquet of Flowers Costume

$54.99

Made By Us Exclusive

Men's Dazzling Disco Costume Shirt

$54.99

Made By Us Exclusive

Men's Plus Size Dazzling Disco Costume Shirt

$67.99

Made By Us Exclusive

Men's Dazzling Disco Costume Pants

$54.99

Made By Us Exclusive

Plus Size Aristocrat Costume for Men

$95.99

Made By Us Exclusive

Adult Eye of Horus Pharaoh Costume

$81.99

Made By Us Exclusive

Adult Lucky Shamrock Costume

$33.99

Made By Us Exclusive

Men's Lion Costume

$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.