Robert Christian Knapp (born September 16, 1953) is an American former professional baseball right-handed pitcher, whose career totals include 122 Major League Baseball (MLB) games pitched, for the Chicago White Sox (1975–1977) and California Angels (1978–1980). He won 12 and 14 games, respectively, in back-to-back seasons (1977–1978). Knapp stood 6 ft 5 in (1.96 m) and weighed 195 lb (88 kg). During his MLB career, Knapp allowed 642 hits and 250 bases on balls in 604+1⁄3 innings pitched, with 355 strikeouts and 15 total complete games.