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 726

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Thing 1 & Thing 2 Adult Costume

$47.99

Sale - 22%

Women's Groovy Go Go Dancer Costume

$50.99-$61.99$47.99-$75.99*

Made By Us Exclusive

Adult Thing 1 and Thing 2 Costume

$61.99

Made By Us Exclusive

Adult Deluxe Lion Costume

$68.99-$82.99

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Plus Size Adult Cat in the Hat Costume

$82.99

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Adult Flower Pot Costume

$34.99

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Adults Horse Costume

$82.99

Sale - 13% Made By Us

Cat in the Hat Adult Costume

$54.99$47.99-$54.99*

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Women's Rainbow Brite Costume

$68.99

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Plus Size Thing 1&2 Costume

$68.99

Made By Us Exclusive

Care Bears Adult Classic Good Luck Bear Costume

$68.99

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Green Eggs & Ham Sandwich Board Costume

$45.99

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Care Bears Adult Classic Tenderheart Bear Costume

$68.99

Exclusive

Harry Potter Adult Deluxe Ravenclaw Robe

$54.99

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Adult Dilophosaurus Costume

$82.99

Sale - 25% Exclusive

Harry Potter Adult Deluxe Slytherin Robe

$54.99$41.99-$54.99*

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The Magic School Bus Miss Frizzle Costume

$54.99

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Adult Jockey Shirt Costume

$41.99

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Adult Potted Flower Costume

$54.99-$68.99

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Women's Piñata Dress Costume

$54.99

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Women Dazzling Deer Costume

$54.99

Flirty Queen of Hearts Costume Dress Main UPD

Sale - 17% Made By Us

Women's Flirty Queen of Hearts Costume

$82.99$68.99-$82.99*

Women's Oktoberfest Fraulein Costume

$68.99-$75.99

Made By Us Exclusive

Plus Size Flower Pot Costume for Adults

$34.99

Plus Size Classic Tenderheart Care Bears Costume UPD

Sale - 17% Made By Us

Plus Size Classic Tenderheart Care Bears Costume for Adults

$82.99$68.99-$82.99*

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Frozen Olaf Adult Costume

$109.99

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Womens Carmen Sandiego Costume

$54.99

Sexy Swashbuckler Captain Costume

$68.99-$88.99

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Women's Mother Nature Costume

$82.99

Thing 1 & Thing 2 Adult Halloween Costume

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Plus Size Thing 1 & Thing 2 Halloween Costume

$54.99

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Adult's Inflatable Sun Costume

$54.99

Plus Size Adult Realistic Taco Costume

$47.99

Sale - 13% Exclusive

Plus Size Women's Cinderella Fairy Godmother Costume

$102.99-$109.99$95.99-$102.99*

Sale - 17% Made By Us

Plus Size Exclusive Raggedy Ann Costume for Women

$82.99$68.99-$82.99*

Plus Size League of Their Own Dottie Costume-update2

Sale - 14% Made By Us

Plus Size Women's League of Their Own Dottie Costume

$95.99$82.99-$95.99*

Women's Metallic Black Mock Neck Jumpsuit

Metallic Black Mock Neck Jumpsuit for Women

$75.99-$88.99

Made By Us Exclusive

Deluxe Red Riding Hood Costume

$82.99

Made By Us Exclusive

Womens Red Rose Costume

$54.99

Exclusive

Women's Disney Coco Mama Imelda Costume

$95.99

Made By Us Exclusive

Women's Plus Size Dark Queen of Hearts Costume

$82.99

Exclusive

Women's Plus Size Psycho Jester Costume

$61.99

Sale - 25% Made By Us

Adult Pumpkin Costume Jumpsuit

$54.99$41.99

Sale - 38% Exclusive

Adult Harry Potter Deluxe Gryffindor Robe

$54.99$34.99-$47.99

Made By Us Exclusive

Adult Black Cat Costume

$68.99

Plus Size Purple Fringe Flapper Dress update2

Sale - 50% Made By Us

Plus Size Women's Purple Fringe Flapper Costume

$54.99$27.99-$54.99*

Sale - 15%

Women's La Matadora Costume

$88.99$75.99

Sale - 13% Exclusive

Harry Potter Adult Deluxe Hufflepuff Robe

$54.99$47.99-$54.99*

Sale - 17%

Women's Darling Deer Costume

$82.99$68.99-$82.99*

Made By Us Exclusive

Women's Statue of Liberty Costume

$68.99

Women's Deluxe Queen Bee Costume

$68.99

Sale - 50%

Disney Haunted House Stitch Shoppe by Loungefly Dress

$136.99$68.99

Women's Plus Size Venus Costume

$88.99

Sale - 21%

Women's Sexy Trickster Costume

$95.99$75.99-$82.99

Women's Skeleton Beauty Plus Size Costume

Made By Us Exclusive

Plus Size Skeleton Beauty Women's Costume

$95.99

Clearance Made By Us

Women's Dreamscape Dragon Costume

$123.99$27.99

Plus Size Women's Voodoo Skeleton Costume

Made By Us Exclusive

Plus Size Voodoo Skeleton Costume for Women

$95.99

Made By Us Exclusive

Olaf Frozen Plus Size Costume for Adults

$136.99

Sale - 25% Made By Us

Knee Length Red Riding Hood Costume

$54.99$41.99-$54.99*

Made By Us Exclusive

Women's Funshine Bear Romper Costume

$68.99

Sale - 13% Made By Us

Women's Spellbinding Sweetie Costume

$54.99$47.99-$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.