Unicorn Costumes

You were born to be a unicorn, so release your inner magic with Halloween costumes and accessories that will make you leave a little sparkle wherever you go.

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  • $29.99
    Girls Rainbow Unicorn Costume
    Review Rating: 4.50
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    313 Only in stock
  • $34.99
    Child Zombie Rainbow Unicorn Costume
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    146 Only in stock
  • $29.99
    Baby Unicorn Costume
    Review Rating: 4.50
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    330 Only in stock
  • $24.99
    Girls Zipster Unicorn One Piece Costume
    Review Rating: 5.00
    Size S Low Stock at Westgate Market Edit Store
    Size S out of stock online
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    null Only in stock
  • $24.99
    Child Iridescent Rainbow Unicorn Costume
    Review Rating: 4.50
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    32 Only in stock
  • $9.99
    Magical Unicorn Makeup Kit
    Review Rating: 3.50
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    43 Only in stock
  • $5.99
    Pastel Unicorn Tail
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    76 Only in stock
  • $4.99
    Unicorn Body Jewelry 49ct
    Low Stock at Westgate Market Edit Store
    Out of stock online
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    null Only in stock
  • $9.99
    Child Unicorn Makeup Kit 6pc
    Review Rating: 3.50
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    265 Only in stock
  • $5.99
    Child Glitter Unicorn Mask
    Review Rating: 5.00
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    175 Only in stock
  • $9.99
    Light-Up Unicorn Horn
    Low Stock at Westgate Market Edit Store
    Free standard shipping with $35 orders.
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    15 Only in stock
  • $14.99
    Unicorn Dog Costume
    Review Rating: 2.00
    Size XS/SM Low Stock at Westgate Market Edit Store
    Size XS/SM out of stock online
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    null Only in stock
  • $24.99
    Girls Unicorn Costume Accessory Kit
    Review Rating: 3.50
    Low Stock at Westgate Market Edit Store
    Free standard shipping with $35 orders.
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    8 Only in stock
  • $5.00
    Unicorn Hair Dye Kit 4pc
    Review Rating: 2.50
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    48 Only in stock
  • $24.99
    Child Once Upon A Tutu Unicorn Costume Accessory Kit
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    336 Only in stock
  • $15.00
    Unicorn Hat 13 1/2in x 12 1/2in Foam & Plastic Hat
    Review Rating: 5.00
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    662 Only in stock
  • $9.99
    Glitter Gold Unicorn Horn 2 1/4in x 7in Foam Accessory
    In stock at Westgate Market
    Free standard shipping with $35 orders.
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    218 Only in stock
  • $9.99
    Glitter Rainbow Unicorn Horn
    Low Stock at Westgate Market Edit Store
    Free standard shipping with $35 orders.
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    665 Only in stock
  • $12.99
    Mystical Unicorn Accessory Kit
    Review Rating: 4.50
    Low Stock at Westgate Market Edit Store
    Free standard shipping with $35 orders.
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    267 Only in stock
  • $14.99
    Unicorn Makeup Kit
    Low Stock at Westgate Market Edit Store
    Out of stock online
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    null Only in stock
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Discover Delightful Unicorn Halloween Costumes And Accessories

Ready to make an entrance that’s downright magical? If so, check out our selection of unicorn costumes for kids and adults! Party City offers a range of costume types, ranging from simple unicorn onesies to fantastic (and funny) ride-on costumes featuring your favorite mythological creature. In addition to our selection of adult, toddler and girls’ unicorn costumes, you can also choose from fun accessories like unicorn horns, hats, headbands and socks and more to create your own unique look. No matter which unicorn costume you choose, you’re sure to bring some sparkle to your next costume party.

Unicorn Costumes For Babies And Toddlers

Little ones love the magic that unicorns can bring. That’s why our collection of unicorn outfits includes plenty of looks for babies and toddlers alike. Made from soft material to ensure comfort during trick or treat, these unicorn Halloween costumes are adorable, beautiful, and most of all fun. Choose from plush onesies for babies, or opt for a unicorn dress your toddler is sure to love. No matter what you choose, your child will delight in being their favorite mythical creature during Halloween, playtime and more.

Kids’ And Teens Unicorn Costumes

Plenty of kids, tweens and teens love the beauty, grace and magic of unicorns, so we made sure to supply costumes just for them. Our kids’ unicorn costumes come in a range of styles from simple hoodies to girls’ unicorn costumes featuring skirts, tights and accessories. We even offer a range of wearables so your child can create their own DIY unicorn costume. After all, every unicorn is supposed to be unique!

Adult Unicorn Costumes

Who says you have to let the magic go? Plenty of adults enjoy the fanciful beauty of unicorns, so Party City made it easy to find adult unicorn costumes for everyone. Select a woman’s unicorn costume or dress and transform into an elegant creature of the forest. Slip into an adult-sized unicorn jumpsuit – it’s a fun, comfortable outfit that’s perfect for trick or treat, parties and more. No matter what you choose, you’re sure to be the highlight of the party!

Ready to find your favorite unicorn costume? Browse and buy online or visit your nearest Party City store today!