Lawrence Curtis Jackson (June 2, 1931 – August 28, 1990) was an American right-handed professional baseball pitcher, who played in Major League Baseball (MLB) for the St. Louis Cardinals, Chicago Cubs, and Philadelphia Phillies from 1955 to 1968. In 1964, Jackson led the National League (NL) with 24 wins (playing for the eighth-place Cubs), and was runner-up in the Cy Young Award voting; he also led the NL in innings pitched and shutouts, once each. He later served four terms in the Idaho Legislature.