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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  • $19.99
    Edward Hidden Blade - Assassin's Creed
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    Review Rating: 5.00
  • $59.99
    Adult Alexios Costume - Assassin's Creed
    Available on Sep 30
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  • Now $22.99 Was:$29.99
    Adult Zipster Pink One Piece Costume
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    Online Only
  • Now $9.99 Was:$16.99
    Connor Tomahawk - Assassin's Creed
    Online Only Sale – Limited Time!
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    Online Only
  • $59.99
    Adult Mr. Pink Suit
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    Review Rating: 4.50
  • Now $139.99 Was:$179.99
    Adult Connor Costume - Assassin's Creed III
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    Review Rating: 4.50
    Online Only
  • Now $139.99 Was:$179.99
    Adult Ezio Costume - Assassin's Creed II
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    Review Rating: 5.00
    Online Only
  • Now $99.99 Was:$149.99
    Adult Sexy Ezio Costume - Assassin's Creed II
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    Online Only
  • Now $179.99 Was:$269.99
    Adult Arno Dorian Costume - Assassin's Creed Unity
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    Review Rating: 1.00
  • Now $179.99 Was:$269.99
    Adult Edward Costume - Assassin's Creed IV
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    Online Only
  • Now $59.99 Was:$69.99
    Adult Connor Costume - Assassin's Creed
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    Review Rating: 5.00
    Online Only
  • Now $49.99 Was:$59.99
    Adult Maria Costume - Assassin's Creed
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  • Now $39.99 Was:$49.99
    Adult Edward Costume - Assassin's Creed
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    Online Only
  • $39.99
    Adult Connor Costume - Assassin's Creed
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    Review Rating: 1.00
  • $59.99
    Adult Alexios Costume Plus Size - Assassin's Creed
    Available on Aug 30
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  • $59.99
    Adult Bayek Costume - Assassin's Creed
    Available on Aug 30
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  • $59.99
    Adult Kassandra Costume - Assassin's Creed
    Available on Sep 30
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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.