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 3

  • 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
  • $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
  • $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
  • $44.99
    Adult Fancy Yellow Plaid School Girl Costume
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    Online Only
    Review Rating: 5.00
    Online Only
  • 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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  • Adult Queen Cleopatra & Augustus Caesar Couples Costumes Choose Style & Size Options
  • Greco Roman Couples Costumes Choose Style & Size Options
  • $29.99
    Adult Augustus Caesar Costume
    Out Of Stock Online
  • $2.99
    Roman Sword 4in x 15in Plastic Prop
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    Online Only
    Review Rating: 4.50
    Online Only
  • Now $26.99 Was:$44.99
    Womens Gold Zena Gladiator Sandals
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    Online Only
    Online Only
  • $19.99
    Greek Chest Plate with Cape
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    Online Only
    Review Rating: 3.50
    Online Only
  • $29.99
    Goddess Dress
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    Review Rating: 3.50
  • Now $9.99 Was:$16.99
    Warrior Goddess Feather Masquerade Mask 6 1/2in x 4in Feather & Plastic Mask
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    Review Rating: 3.50
  • $9.99
    Shoulder Dragon
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  • $7.99
    Gold Coin Jewelry Set
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    Review Rating: 3.00
  • $6.99
    Goddess Arm Cuff
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    Online Only
    Review Rating: 5.00
    Online Only
  • $16.99
    Spartan Combat Shield & Sword Plastic Props
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    Online Only
    Review Rating: 4.00
    Online Only
  • Now $23.99 Was:$39.99
    Adult Maximus Costume Accessory Kit - Gladiator
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  • $6.99
    Goddess Hair Jewelry
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    Review Rating: 4.50
  • $24.99
    Energy Sword - Halo
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    Online Only
    Review Rating: 5.00
    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.