•
Joseph Clark (contortionist) (died c. 1696), English contortionist •
Joseph Samuel Clark (1871–1944), African-American academic administrator •
Joseph J. Clark (1893–1971), admiral in the U.S. Navy during World War II •
Joe Louis Clark (1938–2020), former New Jersey high school principal, portrayed in the 1989 film
Lean on Me •
Joe Clark (aeronautics) (1941–2020), American aerospace pioneer •
Joseph Lewis Clark (1949–2006), American convicted murderer executed in Ohio in May 2006 ==Fictional characters==