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!

  • Featured Categories

  • 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 Pink Minnie Mouse Costume Quick View
    $24.99
    Baby Pink Minnie Mouse Costume
    Review Rating: 4.50
    Online Only
  • Baby Girls Classic Snow White Costume Quick View
    $24.99
    Baby Girls Classic Snow White Costume
    Review Rating: 5.00
  • Baby Jack Jack Costume - The Incredibles Quick View
    $24.99
    Baby Jack Jack Costume - The Incredibles
    Review Rating: 4.50
    Online Only
  • Baby Waddles the Penguin Costume Quick View
    $29.99
    Baby Waddles the Penguin Costume
    Review Rating: 4.50
  • 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 Elmo Tutu Dress - Sesame Street Quick View
    $29.99
    Baby Elmo Tutu Dress - Sesame Street
    Review Rating: 5.00
  • Baby Crochet Cocoon Football Costume Quick View
    Now $4.99 Was:$19.99
    Baby Crochet Cocoon Football Costume
    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 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 Red Minnie Mouse Costume Quick View
    $24.99
    Baby Red Minnie Mouse Costume
    Review Rating: 5.00
    Online Only
  • 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 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 Lovely Lamb Costume Quick View
    $39.99
    Baby Lovely Lamb Costume
    Review Rating: 4.00
    Online Only
  • Baby Wonder Woman Costume Quick View
    $24.99
    Baby Wonder Woman Costume
    Review Rating: 4.50
  • Baby Jack Skellington Costume - The Nightmare Before Christmas Quick View
    $24.99
    Baby Jack Skellington Costume - The Nightmare Before Christmas
    Review Rating: 4.50
    Online Only
  • Baby Cozy Deer Costume Quick View
    $29.99
    Baby Cozy Deer Costume
    Review Rating: 5.00
  • Baby Mini Moo Cow Costume Quick View
    $29.99
    Baby Mini Moo Cow Costume
    Review Rating: 4.50
  • Baby Lamb Costume Quick View
    Now $29.99 Was:$39.99
    Baby Lamb Costume
    Review Rating: 4.50
  • 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 Mario Costume - Super Mario Brothers Quick View
    $34.99
    Baby Mario Costume - Super Mario Brothers
    Review Rating: 5.00
    Online Only
  • Baby Spider-Man Costume Quick View
    $19.99
    Baby Spider-Man Costume
    Review Rating: 3.50
  • Baby Little Lamb Costume Quick View
    $29.99
    Baby Little Lamb Costume
    Review Rating: 5.00
  • Baby Buccaneer Pirate Costume Quick View
    $29.99
    Baby Buccaneer Pirate Costume
  • Baby Cookie Monster Costume - Sesame Street Quick View
    $29.99
    Baby Cookie Monster Costume - Sesame Street
    Review Rating: 4.00
    Online Only
  • Baby Crochet Cocoon Randolph Reindeer Costume Quick View
    Now $24.99 Was:$49.99
    Baby Crochet Cocoon Randolph Reindeer Costume
    Online Only
  • Baby Unicorn Costume Quick View
    $29.99
    Baby Unicorn Costume
    Review Rating: 4.50
  • Baby First Fireman Costume Quick View
    $26.99
    Baby First Fireman Costume
    Review Rating: 4.50
  • 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 Sleepy Cow Costume Quick View
    $39.99
    Baby Sleepy Cow Costume
    Online Only
  • Baby Sally Costume - The Nightmare Before Christmas Quick View
    $24.99
    Baby Sally Costume - The Nightmare Before Christmas
    Review Rating: 5.00
  • Baby Classic Superman Costume Quick View
    $19.99
    Baby Classic Superman Costume
    Review Rating: 2.50
  • Baby Elmo Costume - Sesame Street Quick View
    $29.99
    Baby Elmo Costume - Sesame Street
    Review Rating: 4.50
  • Baby Dave Minion Costume - Despicable Me 2 Quick View
    $19.99
    Baby Dave Minion Costume - Despicable Me 2
    Review Rating: 4.00
  • Baby Hillbilly Bodysuit Quick View
    Now $9.00 Was:$17.99
    Baby Hillbilly Bodysuit
    Review Rating: 5.00
    Online Only
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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!