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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  • $59.99
    Child Lovely Lady Unicorn Costume
    Review Rating: 4.00
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  • $38.99
    Adult Inflatable Standing Unicorn Costume
    Review Rating: 2.00
    Size Standard Size is Currently Out of Stock
  • Now $24.99 Was:$39.99
    Adult Zipster Rainbow Unicorn One Piece Costume
    Review Rating: 3.00
    Online Only
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  • $34.99
    Child Unicorn Ride-On Costume
    Review Rating: 4.50
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  • $29.99
    Adult Unicorn Zipster Costume
    Review Rating: 5.00
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  • $29.99
    Girls Felicity Costume - Rainbow Kitty Unicorn
    Review Rating: 3.50
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  • Now $24.99 Was:$39.99
    Child Zipster Purple Unicorn One Piece Costume
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  • Now $24.99 Was:$39.99
    Child Zipster Pastel Unicorn One Piece Costume
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  • $24.99
    Baby Unicorn Costume
    Review Rating: 4.50
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  • $24.99
    Child Iridescent Rainbow Unicorn Costume
    Review Rating: 4.50
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  • $21.99
    Child Rainbow Brightstar Costume - Poopsie Slime Surprise Unicorn
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  • $39.99
    Girls Moonlight Unicorn Costume
    Review Rating: 5.00
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  • $24.99
    Girls Zipster Unicorn One Piece Costume
    Review Rating: 5.00
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  • $44.99
    Womens Moonlight Unicorn Costume
    Review Rating: 5.00
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  • $33.99
    Baby Pastel Unicorn Costume
    Review Rating: 4.00
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  • Now $24.99 Was:$39.99
    Child Zipster Pink Unicorn One Piece Costume
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  • Now $24.99 Was:$39.99
    Child Zipster Rainbow Unicorn One Piece Costume
    Review Rating: 1.00
    Online Only
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  • $39.99
    Baby Pastel Unicorn Costume
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  • $29.99
    Toddler Girls Rainbow Unicorn Costume
    Review Rating: 4.50
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  • $29.99
    Girls Rainbow Unicorn Costume
    Review Rating: 4.50
    Size S is Currently Out of Stock
  • $9.99
    Child Unicorn Face Mask
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  • Now $9.00 Was:$15.00
    Unicorn Hat 13 1/2in x 12 1/2in Foam & Plastic Hat
    Review Rating: 5.00
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  • $29.99
    Unicorn Wearables Kit 2pc Fabric Accessories
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  • $24.99
    Girls Unicorn Costume Accessory Kit
    Review Rating: 3.50
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  • $19.99
    Oversized Unicorn Icon Mask
    Review Rating: 4.50
    Online Only
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  • $24.99
    Adult Majestic Unicorn Mask 8in x 16in Latex Mask
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  • $24.99
    Child Once Upon A Tutu Unicorn Costume Accessory Kit
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  • $9.99
    Glitter Silver Unicorn Horn
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  • $9.99
    Magical Unicorn Makeup Kit
    Review Rating: 3.50
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  • $16.99
    Dark Fantasy Wig
    Review Rating: 5.00
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  • Now $5.99 Was:$9.99
    Glitter Rainbow Unicorn Horn
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  • $9.99
    Child Unicorn Sunglasses 7in x 6in Plastic Accessory
    Review Rating: 5.00
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  • $4.99
    Unicorn Body Jewelry 49ct
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  • $12.99
    Gold Glitter Unicorn Horn 2in x 6 3/4in Foam & Silicone Accessory
    Review Rating: 5.00
    Online Only
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  • $20.00
    Unicorn Mask 14 1/2in x 18in Polyester Mask
    Review Rating: 4.50
    Online Only
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  • $74.99
    Womens Unicorn Heel Platform Sandals
    Online Only
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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!