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 - 29% Exclusive

Women's Classic Scooby Doo Velma Costume

$47.99$33.99-$40.99

Sale - 22% Made By Us

Wonder Woman Dark Blue Ugly Christmas Sweater

$60.99$47.99-$60.99*

Sale - 22% Made By Us

Black and White Skeleton Adult Ugly Halloween Sweater

$60.99$47.99

Sale - 13% Exclusive

Harry Potter Adult Deluxe Hufflepuff Robe

$54.99$47.99-$54.99*

Sale - 25% Exclusive

Harry Potter Adult Deluxe Slytherin Robe

$54.99$40.99-$54.99*

North Pole Train Conductor Adult Costume

Made By Us Exclusive

North Pole Train Conductor Costume Adult

$81.99-$128.99

Sale - 17%

Adult Saint Joseph Costume

$40.99$33.99

Star Wars Adult Luke Skywalker Black Hooded Robe

Sale - 60%

Star Wars Men's Luke Skywalker Black Hooded Robe Costume

$33.99$13.99

Sale - 20% Made By Us

Classic Rainbow Brite Adult Ugly Christmas Sweater

$67.99$54.99-$67.99*

Sale - 10% Exclusive

Women's Deluxe Harry Potter McGonagall Costume

$135.99$121.99-$135.99*

Made By Us Exclusive

Women's Fierce Snake Costume

$67.99

Exclusive

Classic Women's Scooby Doo Daphne Costume

$47.99-$54.99

Made By Us Exclusive

Mafia Men's Underboss Costume

$47.99

Sale - 29% Made By Us

Dinosaur Bones Button Up Adult Shirt

$47.99$33.99

Dr. Seuss Grinch Adult Plus Velboa Pants

Made By Us

Plus Size Dr. Seuss the Grinch Velboa Pants

$33.99

Up to 20 % off – See low price in cart

Made By Us Exclusive

Adult Disney Perry the Platypus Costume

$81.99

Made By Us Exclusive

Adult Costume T-Rex

$81.99

Women's Black Fringe Flapper Costume

$47.99

Clearance Exclusive

Men's Boba Fett Costume

$94.99$27.99-$40.99

Sale - 50% Made By Us

The Dark Crystal Ugly Christmas Sweater

$67.99$33.99-$40.99

Women's Red Ruffled Crop Renaissance Peasant Costume Accesso

Women's Red Ruffled Renaissance Peasant Crop Top

$24.99

Made By Us Exclusive

Women's Push It Pop Star

$81.99

Sale - 22% Exclusive

Women's Deluxe Fleur Delacour Costume

$121.99$94.99-$108.99

Sale - 42% Made By Us

Adult Inflatable Hippo Costume

$81.99$47.99

Sale - 13% Made By Us

Kill Bill Elle Driver Nurse Womens Costume

$54.99$47.99

Made By Us Exclusive

Women's 18th Century Ghost Costume

$81.99

Sale - 33% Made By Us

Adult Plague Doctor Costume

$81.99$54.99-$81.99*

Made By Us Exclusive

Men's Aristocrat Costume

$81.99

Exclusive

Beetlejuice: Adult Costume

$54.99

Made By Us Exclusive

Macho Man Randy Savage Costume

$94.99

Sale - 13% Exclusive

Women's Harry Potter Deluxe Hermione Gryffindor Costume

$54.99$47.99

Sale - 38% Made By Us

Be My Boo Valentine's Day Sweater for Adults

$54.99$33.99

Sale - 38% Made By Us

Women's Diamond Flare Clown Costume

$87.99$54.99-$60.99

Sale - 42% Made By Us

Adult Gremlins Gizmo Costume

$81.99$47.99-$60.99

Womens Disco Doll Costume

$54.99

Sale - 17% Exclusive

Disney Little Mermaid Women's Ursula Prestige Costume

$162.99$135.99-$162.99*

Stranger Things Adult Deluxe Eleven S4 Look Costume

Clearance - 83%

Women's Stranger Things Deluxe Eleven S4 Look Costume

$81.99$13.99

Made By Us Exclusive

Men's Plus Size Dazzling Disco Costume Pants

$67.99

Sale - 10%

Women's Let's Get Physical Costume

$67.99$60.99

Women's Plus Size Sexy Crop Top Schoolgirl Costume

$47.99

Sale - 40%

Women's Sweet Witch Costume

$135.99$81.99-$94.99

Clearance Made By Us

Womens Witch Doctor Costume

$135.99$40.99-$54.99

Adult Beetlejuice Lydia Deetz Ugly Halloween Sweater 1

Sale - 20% Made By Us

Adult Beetlejuice Lydia Deetz Halloween Sweater

$67.99$54.99

Sale - 20% Made By Us

Adult Polar Bear Costume Onesie

$67.99$54.99-$60.99

Sale - 35% Exclusive

Women's Sexy Midnight Moth Costume

$114.99$74.99-$101.99

Sale - 38% Exclusive

Adult Harry Potter Deluxe Gryffindor Robe

$54.99$33.99-$47.99

Women's Striped Jumpsuit Costume

$54.99

Made By Us Exclusive

Men's Plus Size Long Sleeve Police Shirt

$40.99

Sale - 25%

The Opposuit Lumber Jackie Women's Suit

$108.99$81.99-$108.99

Made By Us Exclusive

Women Dazzling Deer Costume

$54.99

Sale - 33% Exclusive

Women's X-Ray Skeleton Jumpsuit Costume

$40.99$27.99

Sale - 40% Made By Us

Dr. Seuss Thing Baby Carrier Cover

$40.99$24.99

Made By Us Exclusive

Women's Lavish Leprechaun 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

$94.99

Made By Us Exclusive

Adult Eye of Horus Pharaoh Costume

$81.99

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.