Adult Halloween Costumes

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

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  • Adult Mismatched Thing 1 & Thing 2 Knee Socks - Dr. Seuss Quick View
    $6.99
    Adult Mismatched Thing 1 & Thing 2 Knee Socks - Dr. Seuss
    Review Rating: 5.00
  • Child Thing 1 & Thing 2 Socks - Dr. Seuss Quick View
    $2.99
    Child Thing 1 & Thing 2 Socks - Dr. Seuss
  • Adult Mismatched Cat in the Hat Knee Socks - Dr. Seuss Quick View
    $6.99
    Adult Mismatched Cat in the Hat Knee Socks - Dr. Seuss
  • 80's Pop Skirt Quick View
    $22.99
    80's Pop Skirt
    Review Rating: 4.50
  • Child Cat in the Hat Socks - Dr. Seuss Quick View
    $1.29
    Child Cat in the Hat Socks - Dr. Seuss
  • Adult Rydell High Cheerleader & Jock Couples Costumes - Grease Choose Style & Size Options
  • Goddess Dress Quick View
    $29.99
    Goddess Dress
    Review Rating: 4.00
  • Womens Rydell High Cheerleader Dress - Grease Quick View
    $39.99
    Womens Rydell High Cheerleader Dress - Grease
    Review Rating: 5.00
  • Womens Princess Leia Dress - Star Wars Quick View
    $29.99
    Womens Princess Leia Dress - Star Wars
    Review Rating: 5.00
    Online Only
  • Bee Knee-High Socks Quick View
    $6.99
    Bee Knee-High Socks
    Review Rating: 4.50
    Online Only
  • Pink Poodle Skirt Plus Size Quick View
    $24.99
    Pink Poodle Skirt Plus Size
    Review Rating: 4.50
  • Adult Poodle Skirt Quick View
    $24.99
    Adult Poodle Skirt
    Review Rating: 4.00
    Online Only
  • Adult Mismatched Gryffindor Knee-High Socks - Harry Potter Quick View
    $6.99
    Adult Mismatched Gryffindor Knee-High Socks - Harry Potter
    Review Rating: 4.50
    Online Only
  • Adult Thing 1 & Thing 2 Dress Costume - Dr. Seuss Quick View
    $34.99
    Adult Thing 1 & Thing 2 Dress Costume - Dr. Seuss
  • Adult Batgirl Fit & Flare Dress - Batman Quick View
    $29.99
    Adult Batgirl Fit & Flare Dress - Batman
    Review Rating: 5.00
    Online Only
  • Womens Gryffindor Dress - Harry Potter Quick View
    $29.99
    Womens Gryffindor Dress - Harry Potter
    Review Rating: 4.50
    Online Only
  • Adult Batgirl Knee Socks - Batman Quick View
    $6.99
    Adult Batgirl Knee Socks - Batman
  • Adult Black Ruffled Skirt Quick View
    $19.99
    Adult Black Ruffled Skirt
    Review Rating: 4.50
  • Pirate Dress Quick View
    $29.99
    Pirate Dress
    Review Rating: 4.50
    Online Only
  • Adult Poodle Socks Quick View
    $6.99
    Adult Poodle Socks
    Review Rating: 5.00
    Online Only
  • Womens Beauty Pirate Costume Quick View
    $24.99
    Womens Beauty Pirate Costume
    Online Only
  • Red & White Striped Socks Quick View
    $5.99
    Red & White Striped Socks
    Review Rating: 4.50
    Online Only
  • Purple Bat Knee-High Socks Quick View
    $6.99
    Purple Bat Knee-High Socks
    Review Rating: 4.00
    Online Only
  • Black Cat Ankle Socks Quick View
    $0.99
    Black Cat Ankle Socks
    Review Rating: 5.00
  • Orange Argyle Knee-High Socks Quick View
    $6.99
    Orange Argyle Knee-High Socks
    Only a Few Left!
  • Adult Veronica & Archie Couples Costumes Choose Style & Size Options
  • Adult Cat in the Hat Long-Sleeve Dress - Dr. Seuss Quick View
    $24.99
    Adult Cat in the Hat Long-Sleeve Dress - Dr. Seuss
    Review Rating: 5.00
  • Adult Mismatched Ravenclaw Knee-High Socks - Harry Potter Quick View
    $6.99
    Adult Mismatched Ravenclaw Knee-High Socks - Harry Potter
    Review Rating: 5.00
    Online Only
  • Adult Wonder Woman Skirt Quick View
    $16.99
    Adult Wonder Woman Skirt
  • Adult Wonder Woman Knee Socks Quick View
    $6.99
    Adult Wonder Woman Knee Socks
    Review Rating: 4.50
    Online Only
  • Adult Mismatched Hufflepuff Knee-High Socks - Harry Potter Quick View
    $6.99
    Adult Mismatched Hufflepuff Knee-High Socks - Harry Potter
    Review Rating: 4.50
    Online Only
  • Rainbow Dash Knee High Socks - My Little Pony Quick View
    $6.99
    Rainbow Dash Knee High Socks - My Little Pony
    Review Rating: 5.00
    Online Only
  • Adult Supergirl Skirt - Superman Quick View
    $16.99
    Adult Supergirl Skirt - Superman
    Review Rating: 4.00
  • Adult Wonder Woman Skirt Quick View
    $24.99
    Adult Wonder Woman Skirt
    Online Only
  • Rainbow Striped Knee High Socks Quick View
    $6.99
    Rainbow Striped Knee High Socks
    Review Rating: 5.00
    Online Only
  • Women's Betty & Veronica Couples Costumes Choose Style & Size Options
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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.