Harlequin is the name of four clown-themed DC Comics characters.
The original Harlequin was a foe of the Golden Age Green Lantern, and later became his wife. The second Harlequin originally debuted as the Joker's Daughter, and was a member of the Teen Titans. The third Harlequin was a member of the Injustice Unlimited super-villain team, and battled Infinity, Inc.. The fourth Harlequin has only appeared on a few occasions, and is an enemy of Alan Scott. The Harlequin was ranked 100th in Comics Buyer's Guide's "100 Sexiest Women in Comics" list, although this list does not specify which version of the character was chosen.