Baby Costumes

667 products

Our baby fancy dress costumes collection features a carefully curated and varied selection for World Book Day and fancy dress parties. From sweet, classic costumes to original, on-trend designs, the range includes baby animal outfits, recognisable fictional characters and costumes inspired by viral trends. Highlights include warm and cosy costumes for babies, ideal for winter, as well as practical options such as two-piece baby costumes, designed for greater comfort and freedom of movement. This collection helps every family find the perfect baby costume, combining cuteness, comfort and style to create special memories on every occasion.

  • Baby Bat Wings Costume Baby Bat Wings Costume

    Baby Bat Wings Costume

    Sale price £14.50 GBP Regular price
    Regular price £14.50 GBP
    Size 1-2Y
  • Baby Beetlejuice Ghost Costume Baby Beetlejuice Ghost Costume

    Baby Beetlejuice Ghost Costume

    Sale price £16.16 GBP Regular price
    Regular price £16.16 GBP
    Size 6-12M 1-2Y
  • Kids Green Snail Costume Kids Green Snail Costume

    Kids Green Snail Costume

    Sale price £19.16 GBP Regular price
    Regular price £19.16 GBP
    Size 1-2Y 3-4Y 5-6Y
  • Disfraz de Bruja Circe para bebé | Don Disfraz

    Baby Circe Witch Costume

    Sale price £14.35 GBP Regular price
    Regular price £14.35 GBP
    Size 12-18M 18-24M
  • Baby Nemo Fish Costume

    Baby Nemo Fish Costume

    Sale price £16.21 GBP Regular price
    Regular price £16.21 GBP
    Size 6-12M 12-24M
  • Disfraz de Mamá Noel Dulce bebé | Don Disfraz

    Sweet Baby Mother Christmas Costume

    Sale price £7.07 GBP Regular price
    Regular price £7.07 GBP
    Size 6-12M 12-24M
  • Girls Irene Tavern Maid Costume Girls Irene Tavern Maid Costume

    Girls Irene Tavern Maid Costume

    Sale price £14.08 GBP Regular price
    Regular price £14.08 GBP
    Size 2Y 4Y
  • Disfraz de Elfo Divertido para bebé | Don Disfraz
    39%

    Baby Fun Elf Costume

    Sale price £10.37 GBP Regular price £17.26 GBP
    Regular price £10.37 GBP
    Size 12-18M 18-24M
  • Baby Bee Wings Costume Baby Bee Wings Costume
    New

    Baby Bee Wings Costume

    Sale price £14.45 GBP Regular price
    Regular price £14.45 GBP
    Size 6-12M 12-18M 18-24M 2-3Y
  • Baby Royal Penguin Costume Baby Royal Penguin Costume

    Baby Royal Penguin Costume

    Sale price £16.38 GBP Regular price
    Regular price £16.38 GBP
    Size 12-18M 18-24M
  • Disfraz de Virgen María  Clásica para niña | Don Disfraz Disfraz de Virgen María  Clásica para niña | Don Disfraz

    Girls Classic Virgin Mary Costume

    Sale price £14.45 GBP Regular price
    Regular price £14.45 GBP
    Size 1-2Y 3-4Y 5-6Y 7-9Y 10-12Y
  • Disfraz de Calabaza Gorro bebé | Don Disfraz

    Baby Pumpkin Costume Cap

    Sale price £19.11 GBP Regular price
    Regular price £19.11 GBP
    Size 0-6M 7-12M 1-2Y
  • Disfraz de Chulapo Jorge para niño I Don Disfraz

    Boys Jorge Chulapo Costume

    Sale price £15.02 GBP Regular price
    Regular price £15.02 GBP
    Size 1-2Y 3-4Y 5-6Y 7-9Y 10-12Y
  • Baby Superhero Baby Costume Baby Superhero Baby Costume
    New

    Baby Superhero Baby Costume

    Sale price £14.45 GBP Regular price
    Regular price £14.45 GBP
    Size 6-12M 12-18M 18-24M 2-3Y
  • Disfraz de Pastor Asturiano para bebé | Don Disfraz

    Baby Asturian Shepherd Costume

    Sale price £15.76 GBP Regular price
    Regular price £15.76 GBP
    Size 1-3Y
  • Baby Black Hooded Skeleton Costume

    Baby Black Hooded Skeleton Costume

    Sale price £13.60 GBP Regular price
    Regular price £13.60 GBP
    Size 6-12M 12-24M 24M
  • Baby Black Ninja Costume Baby Black Ninja Costume
    New

    Baby Black Ninja Costume

    Sale price £23.89 GBP Regular price
    Regular price £23.89 GBP
    Size 7-12M 12-24M 24-36M
  • Disfraz de Vaca Divertida para bebé | Don Disfraz
    68%

    Baby Fun Cow Costume

    Sale price £6.90 GBP Regular price £21.61 GBP
    Regular price £6.90 GBP
    Size 12-18M 18-24M
  • Baby Strawberry Dress Costume Baby Strawberry Dress Costume
    New

    Baby Strawberry Dress Costume

    Sale price £23.89 GBP Regular price
    Regular price £23.89 GBP
    Size 7-12M 12-24M 24-36M
  • Baby White Rabbit Costume Baby White Rabbit Costume

    Baby White Rabbit Costume

    Sale price £14.67 GBP Regular price
    Regular price £14.67 GBP
    Size 12-18M 18-24M
  • Disfraz de Catrín Huesos para bebé | Don Disfraz

    Baby Catrín Bones Costume

    Sale price £14.46 GBP Regular price
    Regular price £14.46 GBP
    Size 6-12M 12-24M 24-36M
  • Baby Sweet Gingerbread Costume Baby Sweet Gingerbread Costume
    New

    Baby Sweet Gingerbread Costume

    Sale price £11.85 GBP Regular price
    Regular price £11.85 GBP
    Size 6-12M 12-18M 18-24M 2-3Y
  • Disfraz de Ratoncito Gris para bebé | Don Disfraz

    Baby Grey Little Mouse Costume

    Sale price £22.38 GBP Regular price
    Regular price £22.38 GBP
    Size 12-18M 18-24M
  • Baby Fairy Wings Costume Baby Fairy Wings Costume
    New

    Baby Fairy Wings Costume

    Sale price £23.89 GBP Regular price
    Regular price £23.89 GBP
    Size 7-12M 12-24M 24-36M

The Perfect Baby Costume for Every Occasion

Dressing up a baby is one of the most special experiences for parents. A baby costume is not just a fun outfit — it’s a way to create unforgettable memories and capture magical moments forever. At Costumalia, we know how important it is to choose the right one, which is why we offer one of the most complete collections of baby Fancy Dress costumes for every age, season and special occasion.

If you’re looking for an original baby costume, you’ll find options for every style, from timeless classics to modern and trending designs. Our baby costume ideas are chosen for their comfort, practicality and ease when dressing and changing little ones. Whether you need a colourful baby costume for Halloween or a more traditional Christmas baby outfit, we have styles perfect for every celebration throughout the year.

Many of our designs are created as cosy baby costumes, ideal for keeping babies warm without restricting movement, while others feature lightweight and practical two-piece designs perfect for more active little ones.

Baby Costume Ideas That Never Go Out of Style

Some Fancy Dress themes are always guaranteed favourites. Animal costumes for babies remain some of the most popular thanks to their adorable appearance and versatility.

A lion costume for babies continues to be a timeless classic, while dinosaur costumes are loved for their playful and fun designs. More recently, capybara baby costumes have become one of the biggest trends thanks to their originality and charm.

Fictional characters are also incredibly popular. Harry Potter baby costumes are perfect for families who love the wizarding world, while Pikachu costumes remain one of the bestselling options thanks to their bright colours and instantly recognisable design.

For parents searching for something more unusual, funny baby costumes and original baby Fancy Dress outfits are ideal for birthdays, family gatherings and memorable photo sessions.

Matching mother-and-baby costumes are also becoming increasingly popular, allowing families to create coordinated Fancy Dress looks in a fun and heartwarming way.

Every Celebration Is a Great Excuse to Dress Up Your Baby

Although many parents wait for special dates, the truth is that any occasion is perfect for dressing up your baby.

Some of the most popular occasions include:

  • Baby Halloween costumes: one of the biggest seasons for colourful and eye-catching costumes
  • Baby Halloween Fancy Dress: pumpkin costumes and spider costumes are especially popular for their spooky but adorable style
  • Baby Christmas costumes: first Christmas celebrations deserve unforgettable photos, with elf costumes, Father Christmas outfits and reindeer costumes among the favourites
  • Summer baby costumes: lightweight and comfortable outfits perfect for outdoor parties, birthdays and family celebrations

Baby Costumes by Age: Comfort, Safety and the Perfect Fit

Choosing the right size is essential to ensure your baby stays comfortable and happy. That’s why Costumalia offers baby costumes adapted to every stage of development.

Our collection includes:

  • Baby costumes for 0–3 months with extra-soft fabrics and easy fastenings
  • Baby costumes for 12 months, perfect for first celebrations
  • Baby costumes for 18 months designed for crawling and early walkers
  • Baby costumes for 2 years and 24 months with stronger and more flexible designs
  • Fancy Dress costumes for toddlers aged 2–3 years, when children begin recognising characters and actively enjoying imaginative play

Adorable Baby Costumes Designed to Be Worn Again and Again

Cute baby costumes aren’t just for a single day. Many families reuse them for photo shoots, family parties and imaginative play at home. That’s why we focus on durable designs that are easy to wash, soft to the touch and comfortable for little ones to wear.

From simple outfits to more elaborate designs, every baby costume is created to help babies feel comfortable, warm and happy.

At Costumalia, you’ll always find fresh baby costume ideas inspired by current trends and designed around the real needs of families. Because every moment is the perfect opportunity to dress up your baby and create memories that will last forever.

World Book Day Costume Ideas for Nursery Children

World Book Day is also celebrated in many UK nurseries and early years settings, making story-inspired baby costumes a lovely choice for little ones. Some of the most popular nursery World Book Day costume ideas include Peter Rabbit, The Gruffalo, Winnie the Pooh, Paddington Bear, The Very Hungry Caterpillar and classic nursery rhyme characters. Soft animal costumes and simple storybook-inspired outfits are especially ideal for babies and toddlers, offering comfort while helping them join in with school and nursery celebrations in a fun and adorable way.