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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  • Two children wearing green and brown dinosaur hooded romper costumes

    Dinosaur Hooded Romper Costume for Kids

    Dinosaur Hooded Romper Costume for Kids
    $82.99
    5-6Y 7-8Y 3-4Y 4-5Y +1
  • Orange crab costume set with jumpsuit, crab legs, padded shell, headpiece with eye stalks, and claw gloves

    Orange Crab Costume for Kids

    Orange Crab Costume for Kids
    $206.99
    7-8Y 5-6Y 4-5Y 3-4Y +2
  • Toddler wearing a camel-colored plush lion jumpsuit costume with hood and tail

    Lion Plush Jumpsuit Costume for Toddlers

    Lion Plush Jumpsuit Costume for Toddlers
    $65.99
    24-36M 18-24M 12-18M 9-12M +2
  • White astronaut romper with black belt and patches front view

    Astronaut Space Suit Romper Costume for Toddlers

    Astronaut Space Suit Romper Costume for Toddlers
    $98.99
    3-4Y 2-3Y 12-18M 18-24M +1
  • Yellow and black fuzzy bee costume set with jumpsuit and antenna headpiece

    Baby Bee Dress Costume

    Baby Bee Dress Costume
    $78.99
    M XL
  • Toddler wearing bumblebee bubble jumpsuit costume with antenna headband

    Infant Bumblebee Costume

    Infant Bumblebee Costume
    $47.99
    1-3Y 3-4Y
  • Baby in gray and white husky dog romper costume with hood and ears

    Baby Boys Husky Dog Costume Romper Soft Plush Jumpsuit

    Baby Boys Husky Dog Costume Romper Soft Plush Jumpsuit
    $58.99
    18-24M 24-36M 9-12M 12-18M +2
  • Cow Tutu Dress Front View

    Cow Tutu Dress Costume for Girls

    Cow Tutu Dress Costume for Girls
    $49.99
    11Y 12Y 9Y 4Y +8
  • White baby bunny footed romper costume with hood and ears

    Baby Bunny Romper Costume for Infants

    Baby Bunny Romper Costume for Infants
    $66.99
    1-3M 3-6M 6-9M 9-12M +1
  • Toddler puppy dog costume set with white quilted romper with brown spots and floppy ears hat

    Toddler Puppy Dog Costume Romper and Hat

    Toddler Puppy Dog Costume Romper and Hat
    $52.99
    12-18M 6-12M 2-3Y 18-24M +1
  • Green dinosaur plush jumpsuit costume front view

    Dinosaur Plush Jumpsuit Costume for Toddlers

    Dinosaur Plush Jumpsuit Costume for Toddlers
    $43.99
    6-11M 3-5M 18-23M 12-17M +2
  • Back view of orange fox animal hoodie costume showing tail

    Fox and Wolf Animal Hoodie Costume for Kids

    Fox and Wolf Animal Hoodie Costume for Kids
    $103.99
    S M L XL
  • Boys pirate costume set with red vest, white shirt, black pants with patches, red and black striped headscarf and belt with a

    Baby Pirate Captain Costume

    Baby Pirate Captain Costume
    $65.99
    5-6Y 4-5Y 3-4Y
  • Child wearing a brown lion hooded animal romper costume sitting on white carpet

    Lion Hooded Animal Romper Costume for Babies and Toddlers

    Lion Hooded Animal Romper Costume for Babies and Toddlers
    $53.99
    2-3Y 3-4Y 18-24M 3-6M +2
  • Infant wearing a yellow and brown bee hooded cape costume with antennae pom-poms

    Bee Hooded Cape Costume for Infants

    Bee Hooded Cape Costume for Infants
    $101.99
    S M
  • Orange tutu skirt on mannequin front view

    Orange Carrot Tutu Skirt Costume Set for Girls

    Orange Carrot Tutu Skirt Costume Set for Girls
    $34.99
    4Y 3Y 6Y 5Y +14
  • Toddler wearing yellow duckling jumpsuit costume with matching duck bill cap

    Yellow Duckling Jumpsuit Costume Set for Toddlers

    Yellow Duckling Jumpsuit Costume Set for Toddlers
    $48.99
    L XL S M
  • Purple bat cape and mesh dress costume set for kids

    Bat Cape and Mesh Dress Costume for Kids

    Bat Cape and Mesh Dress Costume for Kids
    $49.99
    2Y 3Y 6Y 4Y +1
  • Three children wearing Dalmatian dog tutu dress costumes with face paint and dog ear headbands

    Dalmatian Dog Costume for Girls

    Dalmatian Dog Costume for Girls
    $48.99
    4Y 6Y 5Y 7Y +6
  • Child wearing orange pumpkin costume tunic with matching hat and pumpkin bag

    Baby Pumpkin Halloween Costume

    Baby Pumpkin Halloween Costume
    $53.99
    3-4Y 4-5Y 18-24M 2-3Y +3
  • Yellow lion jumpsuit costume with brown mane headpiece on mannequin

    Lion Jumpsuit Costume for Toddlers and Kids

    Lion Jumpsuit Costume for Toddlers and Kids
    $178.99
    18-24M 2-3Y 3-4Y 4-5Y +2
  • Green dinosaur tail romper costume flat lay

    Dinosaur Tail Romper Costume for Babies

    Dinosaur Tail Romper Costume for Babies
    $59.99
    S M L XL +1
  • Infant red lobster costume set with jumpsuit, hood, claw mittens, and shoe covers

    Red Lobster Infant Costume Set for Babies

    Red Lobster Infant Costume Set for Babies
    $91.99
    12-18M 9-12M
  • Infant wearing Roman Gladiator Costume Set with brown tunic, headband, and wrist cuffs

    Roman Gladiator Costume for Infants

    Roman Gladiator Costume for Infants
    $59.99
    9-12M 6-9M 12-18M 18-24M
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Solid Cotton Baby Romper in soft fabric for everyday wear

Lumière de Versailles Cotton Romper

Lumière de Versailles Cotton Romper
$26.99
3-6M 6-9M 9-12M 12-24M