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 1,073

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Thing 1 & Thing 2 Adult Costume

$48.99

Sale - 22%

Women's Groovy Go Go Dancer Costume

$50.99-$61.99$48.99-$75.99*

Made By Us Exclusive

Adult Thing 1 and Thing 2 Costume

$61.99

Frozen Kristoff Deluxe Adult Costume

$75.99

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Plus Size Adult Cat in the Hat Costume

$82.99

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Women's Rainbow Brite Costume

$68.99

Sale - 13% Made By Us

Cat in the Hat Adult Costume

$55.99$48.99-$55.99*

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Adult Deluxe Lion Costume

$68.99-$82.99

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Adults Horse Costume

$82.99

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Plus Size Thing 1&2 Costume

$68.99

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Adult Jockey Shirt Costume

$41.99

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Green Eggs & Ham Sandwich Board Costume

$45.99

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Care Bears Adult Classic Good Luck Bear Costume

$68.99

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Captain Jack Sparrow Mens Costume

$96.99

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Women Dazzling Deer Costume

$55.99

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Adult Potted Flower Costume

$55.99-$68.99

Exclusive

Harry Potter Adult Deluxe Ravenclaw Robe

$55.99

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Men's Kentucky Derby Jockey Costume

$68.99-$89.99

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Care Bears Adult Classic Tenderheart Bear Costume

$68.99

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Adult Sam I Am Costume

$48.99

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Women's Piñata Dress Costume

$55.99

Sale - 42%

King of Egypt Costume

$82.99$48.99-$82.99*

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Adult Flower Pot Costume

$34.99

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The Magic School Bus Miss Frizzle Costume

$55.99

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Women's Grumpy Bear Romper Costume

$68.99

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Adult's Fairytale Tink Costume

$82.99

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Plus Size Flower Pot Costume for Adults

$34.99

Adult Voodoo Dude Costume

$82.99

Skeleton Costume

$27.99-$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*

Sale - 13% Exclusive

Harry Potter Adult Deluxe Hufflepuff Robe

$55.99$48.99-$55.99*

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Tapatio: Adult Tapatio Man Costume

$68.99

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Women's Galactic Alien Babe Costume

$82.99

Made By Us Exclusive

Adult Dilophosaurus Costume

$82.99

Men's Plus Size Oktoberfest Stud Costume

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Plus Size Oktoberfest Stud Costume for Men

$82.99

Sexy Swashbuckler Captain Costume

$68.99-$89.99

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Adult Female Orange Tuxedo Costume

$96.99

Kim Possible (Animated) Womens Shego Costume Update

Sale - 18% Exclusive

Kim Possible Animated Series Women's Shego Costume

$75.99$61.99

Sale - 13% Exclusive

Plus Size Women's Cinderella Fairy Godmother Costume

$103.99-$110.99$96.99-$103.99*

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Adult Mariachi Costume

$82.99-$137.99

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Plus Size Wizard Costume

$82.99-$96.99

Women's Metallic Black Mock Neck Jumpsuit

Metallic Black Mock Neck Jumpsuit for Women

$75.99-$89.99

Plus Size Adult Realistic Taco Costume

$48.99

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Women's Mother Nature Costume

$82.99

Thing 1 & Thing 2 Adult Halloween Costume

Made By Us Exclusive

Plus Size Thing 1 & Thing 2 Halloween Costume

$55.99

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Women's Care Bears Cheer Bear Romper Costume

$68.99

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Adult George Washington Costume

$89.99-$117.99

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Women's Deluxe Ms. Frizzle Costume

$82.99-$124.99

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Frozen Olaf Adult Costume

$110.99

Sale - 36% Exclusive

Catwoman Deluxe Adult Costume

$75.99$48.99-$55.99

Made By Us Exclusive

Toga Costume for Men

$34.99

Made By Us Exclusive

Adult Black Cat Costume

$68.99

Sale - 17%

Women's Darling Deer Costume

$82.99$68.99-$82.99*

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*

Made By Us Exclusive

Men's Blue Flower Disco Shirt

$34.99-$55.99

Sale - 15%

Women's La Matadora Costume

$89.99$75.99

Exclusive

Women's Plus Size Psycho Jester Costume

$61.99

Sale - 20%

Plus Size Adult's Royal Queen Costume

$68.99$55.99-$96.99*

Sale - 25%

Adult Jesus Costume

$55.99$41.99-$55.99*

Women's Oktoberfest Fraulein Costume

$68.99

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.