Herman Ralph Wehmeier (February 18, 1927 – May 21, 1973) was an American professional baseball player, a right-handed pitcher for the Cincinnati Reds (1945 and 1947–54), Philadelphia Phillies (1954–56), St. Louis Cardinals (1956–58) and Detroit Tigers (1958). Wehmeier stood 6 feet 2 inches (188 cm) tall and weighed 185 pounds (84 kg; 13.2 st). He was born in Cincinnati, and died in Dallas, Texas due to a heart attack, at the age of 46, while he was testifying in an embezzlement trial.
He led the National League in Walks Allowed in 1949 (117), 1950 (135) and 1952 (103). He led the NL in Earned Runs Allowed (145) in 1950. He led the NL in Wild Pitches in 1949 (7) and 1950 (11). He led the NL in Hit Batsmen (7) in 1952. In 13 seasons he had a 92–108 Win–Loss record, 240 Games Started, 79 Complete Games, 9 Shutouts, 9 Saves, 1,803 Innings Pitched, 794 Strikeouts, and a 4.80 ERA.