Adult Costumes

1 - 60 of 627

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Plus Size Costumes

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 627

Care Bears Classic Grumpy Bear Adult Costume

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Adult Care Bears Classic Grumpy Bear Costume

$68.99

Made By Us Exclusive

Men's White Suit Costume

$61.99

Made By Us Exclusive

Cookie Monster Sesame Street Onesie

$68.99-$142.99

Made By Us Exclusive

Adult Sesame Street Elmo Onesie Costume

$68.99

Sale - 13% Made By Us

Joker 1989 Batman Pants

$54.99$47.99-$54.99*

Made By Us Exclusive

Adult White Astronaut Jumpsuit Costume

$61.99

Sale - 25% Made By Us

Adult Red Suit Devil Costume

$54.99$40.99-$54.99*

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Adult David S. Pumpkins Suit

$74.99

Adult 101 Dalmatians Pongo Costume Onesie-2

Sale - 40% Made By Us

Adult Disney 101 Dalmatians Pongo Costume Onesie

$68.99$40.99-$68.99*

Sale - 25% Made By Us

THE JOKER Slim Fit Suit Overcoat (Authentic)

$108.99$81.99-$108.99*

Made By Us Exclusive

Black and White Skeleton Adult Ugly Halloween Sweater

$61.99

Pokemon Gengar Adult Kigurumi

$122.99

Made By Us Exclusive

Mens Shattered Glass Disco Shirt

$40.99

Sale - 30%

Sonic the Hedgehog Adult Cosplay Union Suit

$68.99$47.99

Adult Stay Puft Marshmallow Man Costume Onesie Alt 1

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Stay Puft Marshmallow Man Adult Costume Onesie

$61.99

Men's Humbug Striped Suit

$136.99

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Adult Pumpkin Poncho Costume

$20.99

The Pokemon Adult Charizard Kigurumi

$122.99

Clearance Made By Us

Pumpkin Spice Latte Halloween Sweater for Adults

$54.99$20.99-$27.99

Adult Gryffindor Uniform Harry Potter Sweater Alt 3

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Harry Potter Gryffindor Uniform Sweater for Adults

$47.99

Halloween Blood Men's Suitmeister Suit

$81.99

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Adult Cozy Skeleton Onesie

$68.99

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Adult Cheer Bear Care Bears Onesie Costume

$54.99

Sale - 13%

Nintendo Pokemon Adult Pikachu Kigurumi

$108.99$95.99-$108.99*

Sale - 25%

Tigger Pajama Costume

$108.99$81.99

Made By Us Exclusive

Striped Nightmare on Elm Street Freddy Adult Sweater

$54.99

Adult Pokemon Lucario Kigurumi Costume

$136.99

Sale - 20% Made By Us

Brown Bear Adult Jumpsuit Costume

$68.99$54.99-$68.99*

Super Mario Brothers Adult Mario Kigurumi Costume

$108.99

Made By Us Exclusive

Adult Pajama Penguin Costume

$54.99

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Plus Size Black Suit Costume

$74.99

Sale - 30% Made By Us

Adult Care Bears Trick-or-Sweet Bear Halloween Sweater

$68.99$47.99-$68.99*

Vintage Halloween Cat Ugly Halloween Sweater Alt 5

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Adult Vintage Halloween Cat Halloween Sweater

$54.99

Super Mario Brothers Bowser Kigurumi Costume for Adults

$122.99

Suitmeister Summer USA Flag Mens Suit

$81.99

Sale - 25% Made By Us

Adult Skeleton Costume Poncho

$27.99$20.99

Sale - 80% Made By Us

Adult Macho Man Union Suit Onesie

$68.99$13.99

Men's Dream Boy Vest

$61.99

Sale - 33% Made By Us

Plus Size 101 Dalmatians Pongo Adult Costume Onesie

$81.99$54.99-$81.99*

Adult Skeleton Kigurumi

$88.99

Made By Us Exclusive

Quirky Kitty Halloween Sweater for Adults

$54.99

Pokemon Jigglypuff Adult Kigurumi

$102.99

Sale - 13% Made By Us

Men's Beetlejuice Suit Blazer

$108.99$95.99-$108.99*

Made By Us Exclusive

Sesame Street Oscar the Grouch Jumpsuit Costume for Adults

$108.99-$136.99

Adult Beetlejuice Lydia Deetz Ugly Halloween Sweater alt5

Sale - 20% Made By Us

Adult Beetlejuice Lydia Deetz Halloween Sweater

$68.99$54.99

Super Mario Brothers Adult Luigi Kigurumi Costume

Adult Super Mario Brothers Luigi Kigurumi Costume

$108.99

Made By Us Exclusive

Pilot Long Sleeve Adult Shirt

$34.99-$74.99

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Adult Care Bear Grumpy Bear Onesie

$54.99

Made By Us Exclusive

Always Sunny Dayman Yellow Suit Costume

$68.99-$108.99

Adult Cinnamoroll Kigurumi

$108.99

Sale - 18%

Adult Hammerhead Shark Kigurumi

$99.99$81.99

Super Mario Brothers Adult Yoshi Kigurumi Costume

$102.99

Sale - 25% Made By Us

Adult Ghoulish Ghosts Halloween Sweater

$54.99$40.99

Made By Us Exclusive

Pumpkin Frenzy Unisex Halloween Sweater

$54.99

Sale - 38%

Adult My Hero Academia Deku Cosplay Hoodie

$54.99$34.99

Eeyore Pajama Costume

$108.99

Sale - 17%

Men's Dalmatian Hoodie Costume

$40.99$34.99-$40.99*

How to Train Your Dragon Adult Light Fury Kigurumi

Adult How to Train Your Dragon Light Fury Kigurumi

$122.99

Suitmeister Jack-O-Pinstripe Black

$81.99

Adult Grim Reaper Poncho

$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.