John Clark is the name of: · John Clark (born 1932), ex-husband of Lynn Redgrave · John Clark (1761-1821), American farmer and governor of Delaware · John Clark (1766-1832), American politician and governor of Georgia · John Clark , American Presbyterian minister and U.S. Senate Chaplain · John Clark , American politician and mayor of Salt Lake City, Utah · John Clark , Poker Night Live presenter · John Clark , Philadelphia Sports Reporter · John Clark , Durham, NC News Anchor · John Clark (born 1941), footballer formerly with Celtic F.C. · John Clark , footballer formerly with Dundee United · John Clark , jazz horn player and composer · John Clark , Australian politician and member for Elizabeth, South Australia · John Clark , a bare-knuckle boxer · John Clark , a Grand Prix motorcycle racer active in the 1950s · John Bates Clark (1847-1938), Americ