Halloween Costumes & Accessories

☾ The GentleNest Halloween shop

A little spooky.
A lot adorable.

254 playful costumes for first trick-or-treats, school parades, family photos and every make-believe moment in between.

Choose their Halloween world See every costume
✦ 30-day returns ✦ Free shipping $39+ ✦ Sizes for little ones
Baby Halloween Romper with Star Tulle and Bow Headband Costume Baby Halloween Romper with Star Tulle and Bow Headband Costume Newborn Ghost and Pumpkin Romper Costume Newborn Ghost and Pumpkin Romper Costume Brown Lion Jumpsuit Costume for Toddlers Brown Lion Jumpsuit Costume for Toddlers

Pick a little world

Who will they be this Halloween?

Start with a favorite, then wander through all the costumes below.

Costume spotlight

Little looks to love right now

Ready for the full parade?

All Halloween costumes

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254 items

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  • Black baby romper with cat face, star print tulle skirt, and matching bow headband

    Baby Halloween Romper with Star Tulle and Bow Headband Costume

    Baby Halloween Romper with Star Tulle and Bow Headband Costume
    $28.99
    3-6M 0-3M 12-18M 9-12M
  • Two baby rompers side by side, one orange plaid with jack-o'-lantern face and one black and white plaid with ghost applique

    Newborn Ghost and Pumpkin Romper Costume

    Newborn Ghost and Pumpkin Romper Costume
    $26.99
    3-6M 0-3M 12-18M 6-12M
  • Toddler wearing brown lion jumpsuit costume with hood, tail, and paw details

    Brown Lion Jumpsuit Costume for Toddlers

    Brown Lion Jumpsuit Costume for Toddlers
    $29.99
    12-18M 6-12M 18-24M 3-6M
  • Baby wearing yellow chick costume romper with white eggshell design and hood with chick face

    Baby Hatching Chick Hooded Romper Costume

    Baby Hatching Chick Hooded Romper Costume
    $42.99
    0-6M 6-12M 12-18M 18-24M
  • Baby boy wearing cowboy costume romper set with cow-print pants, brown vest, red bandana, and cowboy hat

    Cowboy Costume Romper for Babies and Toddlers

    Cowboy Costume Romper for Babies and Toddlers
    $48.99
    3-6M 6-12M 12-18M 18-24M +1
  • Yellow baby romper dress with bee design and matching bow headband

    Bee Romper Dress with Bow Headband for Babies Costume

    Bee Romper Dress with Bow Headband for Babies Costume
    $28.99
    12-18M 6-12M
  • Infant wearing a dalmatian dog jumpsuit costume with hood featuring dog face and ears, white with black spots and red collar

    Dalmatian Spotty Dog Infant Toddler Jumpsuit Costume

    Dalmatian Spotty Dog Infant Toddler Jumpsuit Costume
    $48.99
    18-24M 12-18M 24-36M 3-6M +2
  • Pink bird hooded romper costume with wing sleeves and black socks

    Pink Bird Hooded Romper Costume for Babies

    Pink Bird Hooded Romper Costume for Babies
    $41.99
    6-12M 18-24M 12-18M 0-6M
  • Orange gingham baby romper with embroidered pumpkins and bows

    Pumpkin Embroidered Baby Romper Costume

    Pumpkin Embroidered Baby Romper Costume
    $28.99
    0-3M 6-12M 3-6M 12-18M
  • Infant wearing bumble bee romper costume with hood and antennae

    Bumble Bee Infant Romper Costume

    Bumble Bee Infant Romper Costume
    $47.99
    0-6M 6-9M 9-12M 12-18M
  • Infant bee romper costume set with striped sleeveless jumpsuit, white wings, black tail, and matching black hat.

    Bee Romper Costume for Infants

    Bee Romper Costume for Infants
    $29.99
    0-6M 6-12M 12-18M 18-24M
  • Baby wearing beige pumpkin applique bodysuit with matching headband, sitting on couch with Halloween decorations

    Baby Pumpkin and Ghost Romper Costume

    Baby Pumpkin and Ghost Romper Costume
    $39.99
    6-12M 3-6M 0-3M 12-18M
  • Both baby girls insect costume sets side by side showing differences in romper and dress design

    Baby Bee and Beetle Dress Costume

    Baby Bee and Beetle Dress Costume
    $32.99
    3-6M 12-18M 0-3M 6-9M +1
  • Collage image showing all three animal costume variants

    Plush Animal Hooded Romper Costume for Toddlers

    Plush Animal Hooded Romper Costume for Toddlers
    $24.99
    18-24M 3Y 9-12M 12-18M +2
  • Newborn cow print romper with matching hat featuring cow face and horns

    Newborn Cow Print Romper and Hat Costume

    Newborn Cow Print Romper and Hat Costume
    $21.99
    1-3M 0-1M 6-9M 3-6M
  • Infant wearing grey bunny romper costume with hood and floppy ears holding a toy carrot

    Bonnie Bunny Romper Costume for Infants

    Bonnie Bunny Romper Costume for Infants
    $53.99
    12-18M 18-24M 6-12M
  • Handmade baby ladybug knitted costume set with red spotted beret and black antennae hat

    Knit Baby Ladybug Costume Set

    Knit Baby Ladybug Costume Set
    $22.99
  • Knitted baby costume set with bunny ear hat, pants with pom-pom tail, and crocheted carrot accessory

    Knitted Bunny Hat and Pants Costume Set for Babies

    Knitted Bunny Hat and Pants Costume Set for Babies
    $25.99
  • Beige knit baby rabbit hat with ears, knit diaper cover, and orange knit carrot prop laid flat on beige background

    Knit Bunny and Carrot Photo Prop Costume Set

    Knit Bunny and Carrot Photo Prop Costume Set
    $24.99
  • Baby cow hooded romper costume with black spots and brown horns

    Cow Hooded Romper Costume for Babies

    Cow Hooded Romper Costume for Babies
    $40.99
    9-12M 6-9M 18-24M 12-18M +1
  • Pink infant dinosaur romper costume with hood and tail

    Pink Dinosaur Hooded Romper Costume

    Pink Dinosaur Hooded Romper Costume
    $38.99
    0-6M 18-24M 12-18M 6-12M
  • Baby girl ladybug lace wing jumpsuit with matching polka dot headband

    Ladybug Lace Wing Baby Jumpsuit Costume

    Ladybug Lace Wing Baby Jumpsuit Costume
    $24.99
    12-18M 3-6M 0-3M 9-12M +1
  • Watermelon baby jumpsuit costume set with romper and matching hat

    Watermelon Baby Romper and Hat Costume Set

    Watermelon Baby Romper and Hat Costume Set
    $28.99
    3-6M 6-9M 9-12M 18-24M
  • Newborn peacock feather costume set with feather skirt and blue flower headband

    Peacock Feather Costume Set for Newborns

    Peacock Feather Costume Set for Newborns
    $44.99
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Khaki and beige short-sleeve baby rompers with bear-face motifs

GentleBear Short-sleeve Romper

GentleBear Short-sleeve Romper
$13.99
1-3M 3-6M 6-9M 9-12M +1