Adult Halloween Costumes

Choose from our large assortment of adult Halloween costumes for your holiday party or Halloween night.

  • Women's Costumes
  • Men's Costumes
  • Couples Costumes
  • Plus Size Costumes
  • Costume Accessories
  • Pre-Order Costumes
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  • Now $23.99 Was:$39.99
    Adult Zipster Rainbow Unicorn One Piece Costume
    Online Only Sale – Limited Time!
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  • $49.99
    Mens Erik Killmonger Muscle Costume - Black Panther
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    Review Rating: 3.00
  • Women's Shuri & Dora Milaje Couples Costumes - Black Panther Choose Style & Size Options
  • Adult Shuri & Killmonger Couples Costumes - Black Panther Choose Style & Size Options
  • Adult Shuri & Muscle Black Panther Couples Costumes - Black Panther Choose Style & Size Options
  • $49.99
    Womens Shuri Costume - Black Panther
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    Review Rating: 4.50
  • Now $2.99 Was:$5.99
    Adult Black Panther Mask
    Online Only Sale – Limited Time!
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    Review Rating: 5.00
  • $59.99
    Adult Inflatable Giant Unicorn Costume
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    Review Rating: 3.00
  • $59.99
    Adult Inflatable Standing Unicorn Costume
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  • Adult Dora Milaje & Killmonger Couples Costumes - Black Panther Choose Style & Size Options
  • $7.99
    Pastel Unicorn Tail
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    Online Only
  • Adult Dora Milaje & Muscle Black Panther Couples Costumes - Black Panther Choose Style & Size Options
  • $49.99
    Womens Shuri Costume Plus Size - Black Panther
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    Review Rating: 4.50
  • Now $8.99 Was:$14.99
    Dora Milaje Spear - Black Panther
    Online Only Sale – Limited Time!
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    Review Rating: 5.00
    Online Only
  • $49.99
    Womens Wakanda's Dora Milaje Costume - Black Panther
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    Review Rating: 2.00
  • Now $5.99 Was:$9.99
    Glitter Silver Unicorn Horn
    Online Only Sale – Limited Time!
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    Online Only
  • Men's Black Panther & Killmonger Muscle Couples Costumes - Black Panther Choose Style & Size Options
  • $24.99
    Adult Pastel Wig
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  • Now $11.99 Was:$20.00
    Unicorn Mask 14 1/2in x 18in Polyester Mask
    Online Only Sale – Limited Time!
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    Online Only
  • Now $11.99 Was:$15.00
    Unicorn Hat 13 1/2in x 12 1/2in Foam & Plastic Hat
    Online Only Sale – Limited Time!
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  • Now $5.00 Was:$6.99
    Unicorn Hair Dye Kit 4pc
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    Review Rating: 2.00
  • $16.99
    Long Pastel Wig with Side Bangs
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    Review Rating: 5.00
  • $49.99
    Adult Black Panther Muscle Costume - Black Panther
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    Review Rating: 3.00
    Online Only
  • $19.99
    Pastel Wig
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    Review Rating: 4.00
  • Now $14.99 Was:$24.99
    Adult Majestic Unicorn Mask 8in x 16in Latex Mask
    Online Only Sale – Limited Time!
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    Online Only
  • Now $9.99 Was:$16.99
    Rainbow Unicorn Wig with Horn and Ears
    Online Only Sale – Limited Time!
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  • $12.99
    Light-Up Unicorn Lumenhorn
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  • Now $8.99 Was:$14.99
    White Unicorn Headband 6in x 6 1/4in Fabric Accessory
    Online Only Sale – Limited Time!
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  • Now $5.99 Was:$9.99
    Glitter Rainbow Unicorn Horn
    Online Only Sale – Limited Time!
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    Online Only
  • Now $8.99 Was:$14.99
    Unicorn Makeup Kit
    Online Only Sale – Limited Time!
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  • Now $5.99 Was:$9.99
    Light-Up Unicorn Horn Headband 5in x 10 1/2in Metal & Plastic Accessory
    Online Only Sale – Limited Time!
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    Review Rating: 1.00
  • Now $7.99 Was:$12.99
    Mystical Unicorn Accessory Kit
    Online Only Sale – Limited Time!
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    Review Rating: 4.50
  • $45.99
    Womens Majestic Unicorn Costume Accessory Kit
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    Online Only
  • $29.99
    Adult Black Panther Costume Accessory Kit
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    Online Only
  • $44.99
    Womens Moonlight Unicorn Costume
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    Online Only
  • Now $7.99 Was:$12.99
    Gold Glitter Unicorn Horn 2in x 6 3/4in Foam & Silicone Accessory
    Online Only Sale – Limited Time!
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    Review Rating: 5.00
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Get an Easy Halloween Costume for Adults from Party City

Why should kids have all the fun? Adults need costumes too, so shop the latest and greatest adult Halloween costumes for men and women at Party City! We’re your Halloween super store with everything you need to celebrate the holiday.

Our extensive selection of costumes for adults includes a wide range of themes, styles and sizes for all body types, including plus-size costumes. We carry adult costumes from your favorite TV shows, movies and video games, as well as classic – and easy – Halloween costumes for adults of all shapes and sizes. More about humor than horror? Be sure to check out our collection of funny adult Halloween costumes so you can be the talk of the party!

While we have plenty of ready-made outfits, sometimes the best Halloween costumes for adults are of the DIY variety. If that’s the case for you, don’t worry - we’ve got you covered there, too. We make it easy to complete adult costumes thanks to our selection of individual items from our curated selection of masks, tops, bottoms, shoes and more to create your own unique look. And remember – the holidays are always more fun with those you love, which is why we carry a huge selection of adult Halloween costumes for couples and groups. No matter what you choose, it’s sure to delight family, friends and neighbors. Ready to find the best Halloween costumes for adults like you? Check out our online selection or visit your local store to get started.