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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of 2

  • $59.99
    Adult Inflatable Standing Unicorn Costume
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  • Adult Shuri & Muscle Black Panther Couples Costumes - Black Panther Choose Style & Size Options
  • Now $23.99 Was:$39.99
    Adult Zipster Rainbow Unicorn One Piece Costume
    Online Only Sale – Limited Time!
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    In-Store Pickup Coming Soon
    In-Store Pickup Coming Soon
  • Women's Shuri & Dora Milaje Couples Costumes - Black Panther Choose Style & Size Options
  • Adult Shuri & Killmonger Couples Costumes - Black Panther Choose Style & Size Options
  • $49.99
    Womens Shuri Costume - Black Panther
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    Review Rating: 4.50
  • $59.99
    Adult Inflatable Giant Unicorn Costume
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    Review Rating: 3.00
  • $49.99
    Adult Star-Lord Costume - Guardians of the Galaxy
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    Review Rating: 3.50
  • $44.99
    Womens Moonlight Unicorn Costume
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    Online Only
    Online Only
  • $49.99
    Womens Shuri Costume Plus Size - Black Panther
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    Review Rating: 4.50
  • Men's Black Panther & Killmonger Muscle Couples Costumes - Black Panther Choose Style & Size Options
  • Adult Dora Milaje & Muscle Black Panther Couples Costumes - Black Panther Choose Style & Size Options
  • $49.99
    Adult Black Panther Muscle Costume - Black Panther
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    Online Only
    Review Rating: 3.00
    Online Only
  • $59.99
    Adult Unicorn Ride-On Costume
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    Online Only
    Review Rating: 5.00
    Online Only
  • Adult Dora Milaje & Killmonger Couples Costumes - Black Panther Choose Style & Size Options
  • $49.99
    Womens Wakanda's Dora Milaje Costume - Black Panther
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    Review Rating: 2.00
  • $49.99
    Mens Erik Killmonger Muscle Costume - Black Panther
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    Review Rating: 3.00
  • $44.99
    Adult Gamora Costume - Avengers: Infinity War
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  • Now $2.99 Was:$5.99
    Adult Black Panther Mask
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    Review Rating: 5.00
  • Now $8.99 Was:$14.99
    Dora Milaje Spear - Black Panther
    Online Only Sale – Limited Time!
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    Online Only
    Review Rating: 5.00
    Online Only
  • Now $12.74 Was:$16.99
    Long Pastel Wig with Side Bangs
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    Online Only
    Review Rating: 5.00
    Online Only
  • Now $5.99 Was:$9.99
    Glitter Gold Unicorn Horn 2 1/4in x 7in Foam Accessory
    Online Only Sale – Limited Time!
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    Online Only
    Online Only
  • 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
    Online Only
  • Now $14.99 Was:$24.99
    Adult Majestic Unicorn Mask 8in x 16in Latex Mask
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    Online Only
    Online Only
  • $12.99
    Light-Up Unicorn Horn
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    Online Only
    Online Only
  • Now $12.74 Was:$16.99
    Groot Mask Deluxe - Guardians of the Galaxy
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    Online Only
    Review Rating: 5.00
    Online Only
  • Now $9.99 Was:$16.99
    Rainbow Unicorn Wig with Horn and Ears
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    Online Only
    Online Only
  • Now $8.99 Was:$14.99
    White Unicorn Headband 6in x 6 1/4in Fabric Accessory
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  • Now $5.99 Was:$9.99
    Glitter Silver Unicorn Horn
    Online Only Sale – Limited Time!
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    Online Only
    Online Only
  • $24.99
    Adult Pastel Wig
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  • Now $7.99 Was:$12.99
    Gold Glitter Unicorn Horn 2in x 6 3/4in Foam & Silicone Accessory
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    Review Rating: 5.00
  • Now $14.99 Was:$19.99
    Oversized Unicorn Icon Mask
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    Review Rating: 4.50
  • $29.99
    Womens Iridescent Bodysuit
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    Online Only
    Review Rating: 3.00
    Online Only
  • $16.99
    Womens Iridescent Dress
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    Online Only
    Review Rating: 3.00
    Online Only
  • Now $44.99 Was:$74.99
    Womens Unicorn Heel Platform Sandals
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    Online Only
    Online Only
  • Now $22.49 Was:$29.99
    Adult Black Panther Costume Accessory Kit
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    Online Only
    Online Only
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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.