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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  • Baby wearing black bat wing costume set with hood and pants

    Bat Wing 3-Piece Baby Costume Set

    Bat Wing 3-Piece Baby Costume Set
    $47.99
    6-9M 2-3Y 9-12M 18-24M
  • White ghost cape costume with hood and black ghost face design

    White Ghost Cape Costume for Kids

    White Ghost Cape Costume for Kids
    $81.99
    11-12Y 18-24M 5-6Y
  • Infant cow print fleece romper costume with hood featuring yellow horns and pink ears, and a decorative bell at neckline.

    Cow Print Fleece Romper Costume for Infants

    Cow Print Fleece Romper Costume for Infants
    $46.99
    12-18M 9-12M 6-9M 3-6M +1
  • Size chart or unrelated image

    Baby Bat Romper Costume for Infants

    Baby Bat Romper Costume for Infants
    $38.99
    2-3Y 9-12M 18-24M 3-6M
  • Green Dinosaur Infant Hooded Romper Costume

    Infant Tiger and Dinosaur Animal Romper Costumes

    Infant Tiger and Dinosaur Animal Romper Costumes
    $47.99
    18-24M 2-3Y 3-6M 9-12M +2
  • Toddler wearing white astronaut romper costume in space-themed room

    Toddler Astronaut Romper Costume for Infants and Toddlers

    Toddler Astronaut Romper Costume for Infants and Toddlers
    $62.99
    2-3Y 18-24M 12-18M 6-12M
  • Handmade mohair bee costume set for newborn including striped romper and matching hat

    Handmade Mohair Bee Newborn Costume for Photography

    Handmade Mohair Bee Newborn Costume for Photography
    $44.99
    NB
  • Newborn baby wearing red crochet firefighter costume set

    Crochet Baby Firefighter Costume Set for Newborns

    Crochet Baby Firefighter Costume Set for Newborns
    $34.99
  • Baby wearing white chick costume with hooded romper and yellow pants with foot covers

    White Chick Hooded Romper Costume Set

    White Chick Hooded Romper Costume Set
    $50.99
    2-3Y 18-24M 12-18M 6-12M +1
  • Baby wearing a white fluffy chicken romper costume with a hood featuring red comb, yellow beak, and yellow chicken feet.

    Baby Chicken Romper Costume

    Baby Chicken Romper Costume
    $76.99
    3-6M 6-9M 9-12M 12-18M
  • Baby wearing a yellow duck romper costume with hood featuring an orange duck bill

    Yellow Duck Romper Costume for Children

    Yellow Duck Romper Costume for Children
    $56.99
    7-8Y 4-5Y 5-6Y 2-3Y +1
  • Black pirate vest with red trim and skull emblem, and red sash belt laid flat

    Pirate Vest and Sash Costume for Children

    Pirate Vest and Sash Costume for Children
    $24.99
    4-5Y
  • Infant wearing a yellow duck-themed fluffy romper costume with hood featuring duck bill and eyes

    Baby Duckling Plush Romper Costume

    Baby Duckling Plush Romper Costume
    $86.99
    XXL XL L M +1
  • Baby wearing nautical romper with hat

    Baby Nautical Captain Romper Costume

    Baby Nautical Captain Romper Costume
    $47.99
    12-18M 6-12M 3-6M 0-3M
  • Red strawberry print romper costume with green ruffle and tie straps for toddler girls

    Strawberry Print Romper Costume for Toddlers

    Strawberry Print Romper Costume for Toddlers
    $46.99
    2-3Y 12-18M 18-24M 0-6M +1
  • Child wearing black and white penguin hooded dress costume with yellow foot covers

    Penguin Hooded Dress with Feet Costume for Kids

    Penguin Hooded Dress with Feet Costume for Kids
    $37.99
    2-3Y 18-24M 4-5Y 3-4Y +3
  • Infant wearing pink pig romper costume with hood, ears, and snout

    Pink Pig Romper Costume for Infants and Toddlers

    Pink Pig Romper Costume for Infants and Toddlers
    $152.99
    XL S L M
  • Size chart or non-product image

    Astronaut Space Suit Romper Baby Toddler Costume

    Astronaut Space Suit Romper Baby Toddler Costume
    $45.99
    2-3Y 18-24M 6-12M 3-4Y +1
  • Baby wearing a fluffy white chicken costume jumpsuit with yellow feet covers and a hood with a yellow beak and red comb

    Baby Chicken Costume for Infants

    Baby Chicken Costume for Infants
    $58.99
    3-6M 6-12M 12-18M 18-24M
  • Model wearing all three infant costume sets

    Infant Bee, Strawberry & Pumpkin Costume Sets

    Infant Bee, Strawberry & Pumpkin Costume Sets
    $53.99
    9-12M 3-6M 18-24M 12-18M
  • Baby cowboy costume romper set with hat and bandana

    Baby Cowboy Costume Romper Set for Toddlers

    Baby Cowboy Costume Romper Set for Toddlers
    $95.99
    18-24M 3-6M 6-12M 12-18M
  • Toddler wearing green avocado hooded romper costume with striped leg warmers

    Avocado Hooded Romper Costume Set for Toddlers

    Avocado Hooded Romper Costume Set for Toddlers
    $49.99
    6-9M 9-12M 12-18M 0-6M
  • Toddler wearing a cow jumpsuit costume with hood, ears, horns, red collar with bell, and hoof print booties.

    Toddler Cow Jumpsuit Costume for Kids

    Toddler Cow Jumpsuit Costume for Kids
    $79.99
    12-18M 18-24M 24-30M 6-12M
  • White lamb toddler costume set with hood and leg warmers

    Toddler Lamb Animal Costume

    Toddler Lamb Animal Costume
    $67.99
    S L M XXL +1
View all
Summer Floral Short Sleeve Romper and Dress Set for Baby Girls

Belle Margaux Floral Blue Romper

Belle Margaux Floral Blue Romper
$31.99
0-3M 3-6M 6-12M 12-24M +4