A Harley Quinn costume means red-and-black harlequin diamonds, a baseball bat prop, and just the right amount of chaos. Whether you want the classic jester jumpsuit, the Suicide Squad jacket look, or a kids' version for a school dress-up day, the pieces below cover every version of Gotham's favourite villain.
How to get the look: start with the main jumpsuit or jacket-and-shorts set, add the bat or mallet prop and a headband or collar to finish the silhouette, then pick a matching kids' size if the whole family is dressing up.
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Classic jester jumpsuit
Batman Arkham Harley Quinn costume
The one-piece jumpsuit that nails the classic red-and-black jester shape without any extra assembly. Officially licensed, so the print and colour blocking match the character exactly.
Suicide Squad jacket look
Suicide Squad Harley Quinn costume kit
The metallic jacket, top and shorts combo straight from the film, complete with the "Property of Joker" detailing that makes this version instantly recognisable.
Harley-style villain costume kit
A budget-friendly take on the jacket-and-shorts look, with gloves and temporary tattoos thrown in so you are not hunting down extras separately.
Kids and teens
Harley Quinn tutu dress for kids
A softer, playful tutu version of the diamond print that is easy to move around in, ideal for school dress-up days and trick-or-treating alike.
Girls' deluxe Harley Quinn costume
A more detailed build with attached leggings, wristband and mask included, so older kids and teens get closer to the full adult silhouette.
Finishing touches
Harley Quinn inflatable bat prop
Lightweight and safe for kids and teens to carry all night, this bat prop is the finishing touch that makes the whole outfit read as Harley instantly.
Harley Quinn headband
A simple jester-style headband that pulls the whole look together for anyone who wants the vibe without a full wig or headpiece.
Shop the look
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Looking to round out the group? Check our full range of fancy dress costumes and pair your Harley look with bold face paint from our Halloween makeup collection.
FAQ
What is a Harley Quinn costume?
A Harley Quinn costume is a red-and-black harlequin-print outfit inspired by the DC villain, usually a jumpsuit or a jacket-and-shorts set worn with a baseball bat or mallet prop.
What accessories go with a Harley Quinn costume?
A baseball bat or mallet prop, a jester-style headband or collar, and fishnet tights or gloves are the most common finishing touches.
Is there a Harley Quinn costume for kids?
Yes, there are tutu dress versions and deluxe girls' costumes sized for children and teens, both keeping the classic red-and-black colour scheme.
Which Harley Quinn costume version should I pick?
Pick the classic jumpsuit for the traditional jester look, or a jacket-and-shorts kit for the Suicide Squad film style, depending on which version you want to recreate.
Can I wear a Harley Quinn costume for World Book Day?
Yes, the kids' and teen versions work well for World Book Day or school dress-up days since they are practical to move and play in.
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Curated by Halloween Kingdom, updated June 2026. Meet Halloween Kingdom.
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