Harleen Frances quinzel is a fictional super villain, appearing in the American comic book released by DC Comics. The character was created by Paul Dini and Bruce Tim and first appeared in Batman: Animation Series in September 1992. Later, she appeared in Batman comics of DC Comics and for the first time in Batman adventure 12 (September) (1993).

Harley Quinn, a frequent visitor and lover of clowns, met her as a psychologist at Arkham Asylum in Gotham, where the clown was a patient. Her name is a play in the name of harlequin, a character that originated in the art of comics. She works with the villains Catwoman and poison ivy, who are often Quinn's close friends, habitual allies and romantic partners. Harley Quinn is also depicted as a member of the suicide squad, which carries out secret missions.

The character was originally represented by arleen Sorkin in various combinations with the DC animation universe. Since then, she has been represented by hynden walk and Tara strong in the DC animation showcase or various video games. In the Raptor TV series, she is played by actress MIA Sara. The character made his debut in the 2016 film "suicide squad" by Margot Robbie.