Harry Potter Fancy Dress Costumes & Accessories

57 products

Harry Potter is the most popular series of Novels, selling over 500 million copies World Wide, making them the best selling books of all time! Due to the success of this franchise, Harry Potter fancy dress is incredibly popular, and we have the best selection of Harry Potter costumes around!
You can become the world’s favourite Wizard or Witch with our Harry Potter, Ron Weasley and Hermione Granger fancy dress costumes! Jump on your broomstick and get ready to fly away dressed up in one of our classic Harry Potter House robes, including the popular Gryffindor and Hufflepuff houses! Our Harry Potter costumes for adults will have you looking and feeling Hogwarts ready, especially if you add our Wizarding accessories, including Wands and the Golden Snitch, every great Wizard or Witch is complete with a wand! Join the dark wizards dressed up as a Death Eater, or become the Dark Lord in our Voldemort fancy dress- perfect for Halloween dress up! Cast spells and go on many adventures in our amazing Harry Potter fancy dress costumes for both adults and kids! Our Harry Potter costumes are great for a game of Quidditch and World Book Day dress up!

    57 products
    Gryffindor Hooded Robe
    Kids Slytherin Pleated Skirt
    Sale
    Kids Harry Potter Poncho World Book Day Character Costume
    Save 39%
    Harry Potter Gryffindor Ladies Costume Top
    Harry Potter Slytherin Ladies Costume Top
    Officially Licensed Harry Potter Sorting Hat Movie Collectible
    Sale
    Screamer Ghost Robe Horror Fancy Dress
    Save 32%
    Sale
    Girls Deluxe Harry Potter Gryffindor Fancy Dress World Book Day Costume
    Save 62%
    Sale
    Girls McGonagall Harry Potter Robe World Book Day Costume
    Save 27%
    Sold Out
    Boys Hagrid Harry Potter Hogwarts Book Day Character Costume
    Save 27%
    Harry Potter Gryffindor Tutu Skirt Wizarding Fashion
    Harry Potter Slytherin Tutu Skirt Wizarding Fashion
    Sale
    Harry Potter Official Luna Lovegood Costume
    Save 27%
    Gryffindor Pleated Skirt for Kids Harry Potter Accessory
    Hufflepuff Scarf Kids Costume Accessory Harry Potter Collection
    Sale
    Harry Potter's Hermione Gryffindor Robe Costume
    Save 30%
    Deluxe Harry Potter Quidditch Robe
    Harry Potter Hermione Gryffindor Robe
    Harry Potter Costume Wizarding World Outfit
    Harry Potter Hogwarts Scarf Movie Accessory
    Sold Out
    Harry Potter Slytherin Robe
    Harry Potter Hogwarts Tie Movie Accessory
    Sale
    Official Womens Harry Potter Pyjamas
    Save 13%
    Sale
    Official Kids Harry Potter Pyjamas
    Save 27%
    Sale
    Womens Harry Potter Quidditch Pyjamas
    Save 47%
    Sale
    Official Boys Harry Potter Hogwarts Crest Pyjamas
    Save 27%
    Sale
    Official Girls Harry Potter Hogwarts Pyjamas
    Save 27%
    Sale
    Official Girls Harry Potter Pyjamas
    Save 27%
    Official Harry Potter Oversized Hoodie
    Kids Harry Potter Costume Kit Wizarding World Attire
    Harry Potter Kids Kit
    Sale
    Kids Harry Potter World Book Day Robe Costume
    Save 51%
    Sale
    Harry Potter Gryffindor Robe Kids Costume
    Save 7%
    Sale
    Kids Harry Potter Tunic World Book Day Character Costume
    Save 50%
    Licensed Boys Harry Potter Robe
    Sold Out
    Deluxe Harry Potter Kit
    Sold Out
    Boys Dumbledore Harry Potter Robe World Book Day Character Costume
    Save 26%
    Sold Out
    Kids Hufflepuff Pleated Skirt
    Sold Out
    Hogwarts Printed Banner
    Save 29%
    Sold Out
    Harry Potter Wand

    Harry Potter Costumes: Magic in the Making


    The world of Harry Potter is vast, immersive, and spellbinding. Ever since J.K. Rowling introduced us to the young wizard and his adventures at Hogwarts School of Witchcraft and Wizardry, fans have been enchanted by the characters, spells, and magical universe. One of the most delightful ways to express this adoration is through dressing up as our favourite characters. Harry Potter costumes have been a staple for Halloween, cosplay events, and themed parties.

    Here at Mega Fancy Dress, we take pride in offering our customers an extensive range of official Harry Potter products at competitive prices. From the iconic robes of the Golden Trio to the eerie attire of the dark wizards, we have you covered. And if you're in a rush or have a last-minute themed event? No worries! We offer next-day delivery options available at checkout to ensure your magical ensemble arrives on time.

    So, if you're a devoted Potterhead looking to bring a touch of the magical world into your next event, Mega Fancy Dress is your one-stop destination. Dive into our collection, and remember, every great wizard in history has started out as nothing more than what we are now: Let the magic begin!