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Adult Halloween 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!
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Womens Sexy Pastel Unicorn Costume
Sale - 32%
Adult Dark Pegasus Costume
Sale - 29% Made By Us
Mens Sexy Pony Up Unicorn Costume
Clearance Exclusive
Adult Heavenly Pegasus Costume
Sale - 29% Made By Us
Plus Size Dreamicorn Costume
Sale - 22% Made By Us
Women's Magical Unicorn Costume
Made By Us Exclusive
Adult Pink Star Alicorn Onesie
Sale - 50%
Womens Pegasus Costume
Made By Us Exclusive
Women's Plus Size Magical Unicorn
Made By Us Exclusive
Men's Dreamicorn Costume
Sale - 44% Made By Us
$62.99$34.99-$62.99*
Adult Unicorn Onesie
Sale - 30% Made By Us
$69.99$48.99-$69.99*
Women's Sequined Unicorn Costume
Sale - 58% Made By Us
Adult Cotton Candy Galaxy Unicorn Onesie
Sale - 25%
Womens My Little Pony Fluttershy Costume
Made By Us Exclusive
Inflatable Unicorn Bobblehead
Sale - 33%
Mystical Unicorn for Men
Out of Stock
Made By Us Exclusive
Adult Unicorn Costume
Out of Stock
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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 2024. 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.

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