Leonard Clarence Strong (August 12, 1908 – January 23, 1980) was an American character actor specializing in playing Asian roles.

Beginning with Little Tokyo, U.S.A in 1942, he played a gamut of roles as Japanese, Chinese, Koreans, Thais, etc.

in films such as Dragon Seed (1944), Up in Arms (1944), Jack London (1943), Salute to the Marines (1943), Behind the Rising Sun (1943), Night Plane from Chungking (1943), Bombardier (1943), Underground Agent (1942), and Manila Calling (1942).

Strong appeared as "The Claw" in two episodes: "Diplomat's Daughter" (1965) and "The Amazing Harry Hoo" (1966).

In "The Cure" (1960), a season-five episode of Alfred Hitchcock Presents set deep in the Amazon jungle, Strong plays Luiz, a grimly faithful native manservant.