Infant & Baby Halloween Costumes

Shop for the cutest baby Halloween costumes. From newborn to infant costumes, we’ve got the perfect look for your tiny trick-or-treater!

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  • Baby Girl
  • Baby Boy
  • Animal
  • TV & Movie
  • Super Hero
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  • Baby Classic Max Costume - Where the Wild Things Are Quick View
    $34.99
    Baby Classic Max Costume - Where the Wild Things Are
    Review Rating: 4.50
  • Baby Girls Classic Snow White Costume Quick View
    $24.99
    Baby Girls Classic Snow White Costume
    Review Rating: 5.00
  • Baby Pink Minnie Mouse Costume Quick View
    $24.99
    Baby Pink Minnie Mouse Costume
    Review Rating: 4.50
    Online Only
  • Baby Jack Jack Costume - The Incredibles Quick View
    $24.99
    Baby Jack Jack Costume - The Incredibles
    Review Rating: 4.50
    Online Only
  • Baby Crochet Diaper Cover Batman Costume Quick View
    Now $4.99 Was:$9.99
    Baby Crochet Diaper Cover Batman Costume
    Review Rating: 5.00
    Online Only
  • Baby Dave Minion Costume - Despicable Me 2 Quick View
    $19.99
    Baby Dave Minion Costume - Despicable Me 2
    Review Rating: 4.00
  • Baby Mickey Mouse Costume Quick View
    $24.99
    Baby Mickey Mouse Costume
    Review Rating: 4.50
    Online Only
  • Baby Crochet Diaper Cover Superman Costume Quick View
    Now $4.99 Was:$9.99
    Baby Crochet Diaper Cover Superman Costume
    Review Rating: 5.00
    Online Only
  • Baby Spider-Man Costume Quick View
    $19.99
    Baby Spider-Man Costume
    Review Rating: 3.50
  • Baby Elmo Tutu Dress - Sesame Street Quick View
    $29.99
    Baby Elmo Tutu Dress - Sesame Street
    Review Rating: 5.00
  • Baby Crochet Cocoon Mickey Mouse Costume Quick View
    Now $4.99 Was:$9.99
    Baby Crochet Cocoon Mickey Mouse Costume
    Review Rating: 5.00
    Online Only
  • Baby Wonder Woman Costume Quick View
    $24.99
    Baby Wonder Woman Costume
    Review Rating: 4.50
  • Baby Waddles the Penguin Costume Quick View
    $29.99
    Baby Waddles the Penguin Costume
    Review Rating: 4.50
  • Baby Cookie Monster Costume - Sesame Street Quick View
    $29.99
    Baby Cookie Monster Costume - Sesame Street
    Review Rating: 4.00
    Online Only
  • Baby Winnie the Pooh Costume Quick View
    $29.99
    Baby Winnie the Pooh Costume
    Review Rating: 4.00
  • Baby Crochet Cocoon Football Costume Quick View
    Now $4.99 Was:$19.99
    Baby Crochet Cocoon Football Costume
    Online Only
  • Baby Roar Dinosaur Costume Quick View
    $36.99
    Baby Roar Dinosaur Costume
    Review Rating: 4.50
  • Baby First Fireman Costume Quick View
    $26.99
    Baby First Fireman Costume
    Review Rating: 4.50
  • Baby Hulk Muscle Costume Quick View
    $19.99
    Baby Hulk Muscle Costume
    Review Rating: 4.00
  • Baby Red Minnie Mouse Costume Quick View
    $24.99
    Baby Red Minnie Mouse Costume
    Review Rating: 5.00
    Online Only
  • Baby Crochet Cocoon Minnie Mouse Costume Quick View
    Now $4.99 Was:$9.99
    Baby Crochet Cocoon Minnie Mouse Costume
    Review Rating: 4.00
    Online Only
  • Baby Classic Supergirl Costume - Superman Quick View
    $24.99
    Baby Classic Supergirl Costume - Superman
    Review Rating: 4.50
  • Baby Crochet Cocoon The Incredibles Costume Quick View
    Now $4.99 Was:$19.99
    Baby Crochet Cocoon The Incredibles Costume
    Review Rating: 5.00
    Online Only
  • Baby Captain America Muscle Costume Quick View
    $19.99
    Baby Captain America Muscle Costume
    Review Rating: 5.00
    Online Only
  • Baby Unicorn Costume Quick View
    $29.99
    Baby Unicorn Costume
    Review Rating: 4.50
  • Baby Strawberry Costume Quick View
    $24.99
    Baby Strawberry Costume
    Review Rating: 4.50
    Online Only
  • Baby Crochet Diaper Cover Wonder Woman Costume Quick View
    Now $4.99 Was:$9.99
    Baby Crochet Diaper Cover Wonder Woman Costume
    Online Only
  • Baby Jumpin' Joey Kangaroo Costume Quick View
    $29.99
    Baby Jumpin' Joey Kangaroo Costume
    Review Rating: 4.50
    Online Only
  • Baby Mini Moo Cow Costume Quick View
    $29.99
    Baby Mini Moo Cow Costume
    Review Rating: 4.50
  • Baby Diaper Cover Princess Costume Quick View
    Now $7.99 Was:$9.99
    Baby Diaper Cover Princess Costume
    Review Rating: 5.00
    Online Only
  • Baby Classic Batman Costume - The Brave & the Bold Quick View
    $19.99
    Baby Classic Batman Costume - The Brave & the Bold
    Review Rating: 5.00
  • Baby Stay Puft Marshmallow Man Costume - Ghostbusters Quick View
    $19.99
    Baby Stay Puft Marshmallow Man Costume - Ghostbusters
    Review Rating: 4.00
  • Baby Cowardly Lion Costume - The Wizard of Oz Quick View
    $39.99
    Baby Cowardly Lion Costume - The Wizard of Oz
    Review Rating: 3.50
  • Baby Mario Costume - Super Mario Brothers Quick View
    $34.99
    Baby Mario Costume - Super Mario Brothers
    Review Rating: 5.00
    Online Only
  • Baby Elmo Costume - Sesame Street Quick View
    $29.99
    Baby Elmo Costume - Sesame Street
    Review Rating: 4.50
  • Baby Cop Costume Quick View
    $26.99
    Baby Cop Costume
    Review Rating: 4.50
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Get Babies Ready for Halloween with Costumes from Party City

Nothing's cuter than a baby – unless it's a baby in a costume! At Party City, we have one of the best selections of baby costumes, including newborn and infant Halloween costumes. Our soft, affordable baby costumes come in a range of styles and themes to delight everyone! Our baby boy and baby girl Halloween costumes are made with comfort in mind so your little one can enjoy the holiday even more. 

Choose from a broad range of colors, styles and themes - we carry everything from animals to career costumes to their favorite cartoon characters. Have a very little one? Party City’s newborn Halloween costumes are the perfect way for them to join in the fun. Browse our selection to find the perfect baby girl or baby boy Halloween costume today!