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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  • Adult Lady Lawless Prisoner & Jail Bird Convict Prisoner Couples Costumes Choose Style & Size Options
  • Now $10.00 Was:$34.99
    Teen Girls Glitzy Goddess Costume
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    Review Rating: 3.00
  • $39.99
    Adult Divine Goddess Costume Plus Size
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  • $39.99
    Adult Divine Goddess Costume
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    Review Rating: 4.50
  • Royal Roman Couples Costumes Choose Style & Size Options
  • Adult Divine Goddess & Centurion Couples Costumes Choose Style & Size Options
  • $26.99
    Adult Lady Lawless Prisoner Costume
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    Review Rating: 5.00
  • $26.99
    Adult Jail Bird Convict Prisoner Costume
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    Review Rating: 4.50
  • Now $34.99 Was:$39.99
    Adult Bank Robber Costume
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  • $26.99
    Adult Jail Bird Convict Prisoner Costume Plus Size
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    Review Rating: 5.00
  • $26.99
    Adult Lady Lawless Prisoner Costume Plus Size
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    Review Rating: 5.00
  • $26.99
    Adult Inmate Convict Prisoner Costume Plus Size
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    Review Rating: 2.00
  • $29.99
    Adult Augustus Caesar Costume Plus Size
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  • $49.99
    Adult Roman Centurion Costume
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  • Now $29.99 Was:$44.99
    Adult Athena Goddess Costume
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    Review Rating: 2.50
  • Now $34.99 Was:$39.99
    Adult Bank Robber Costume
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  • $26.99
    Adult Inmate Convict Prisoner Costume
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    Review Rating: 5.00
  • $44.99
    Adult Neptune Costume
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    Online Only
    Review Rating: 5.00
    Online Only
  • $39.99
    Adult Imperial Empress Costume Plus Size
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  • Now $29.99 Was:$39.99
    Adult Grecian Goddess Costume
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    Review Rating: 4.50
  • $26.99
    Adult Orange Prisoner Costume
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    Review Rating: 4.50
  • $26.99
    Adult Orange Prisoner Costume Plus Size
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    Review Rating: 5.00
  • Now $49.99 Was:$69.99
    Adult Red Spartan Muscle Costume Plus Size - Halo
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  • Now $49.99 Was:$69.99
    Adult Red Spartan Muscle Costume - Halo
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  • Now $49.99 Was:$69.99
    Adult Blue Spartan Muscle Costume Plus Size - Halo
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  • Now $49.99 Was:$69.99
    Adult Blue Spartan Muscle Costume - Halo
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  • Now $29.99 Was:$39.99
    Adult Deadly Roman Warrior Costume
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    Online Only
    Review Rating: 3.50
    Online Only
  • $49.99
    Womens Master Chief Costume - Halo
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    Online Only
    Online Only
  • $59.99
    Adult Alexios Costume - Assassin's Creed
    Available on Sep 30
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  • $59.99
    Adult Kassandra Costume - Assassin's Creed
    Available on Sep 30
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  • $59.99
    Adult Alexios Costume Plus Size - Assassin's Creed
    Available on Aug 30
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  • Plus Size Lady Lawless & Convict Prisoner Couples Costumes Choose Style & Size Options
  • Adult Queen Cleopatra & Augustus Caesar Couples Costumes Choose Style & Size Options
  • Greco Roman Couples Costumes Choose Style & Size Options
  • Adult Orange Prisoner & Inmate Convict Prisoner Couples Costumes Choose Style & Size Options
  • $29.99
    Adult Augustus Caesar Costume
    Out Of Stock Online
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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.