Leslie Ewing (born 1949)[1] is an American cartoonist, activist, and breast cancer survivor.

Ewing was influenced by cartoons such as Richie Rich and Rick Griffin's Murch the Surf.

[3] Ewing studied at the University of California, Los Angeles from 1969 to 1971, and earned a Bachelors of Arts in Design.

Ewing was also a prominent figure in activism for LGBTQ+ rights, as well as breast cancer and AIDS awareness.

[20] Ewing stated that her interest in activism began when she went to the 1987 March on Washington, and politics became an important aspect of her comics.

[3] Ewing claimed that a defining moment of her life was when she was arrested during a protest at the Food and Drug Administration, and partly spurred her career in activism.