Lynn Everett McGlothen (March 27, 1950 – August 14, 1984) was an American professional baseball player. He played in Major League Baseball as a right-handed pitcher from 1972 through 1982. He played for the Boston Red Sox (1972–1973), St. Louis Cardinals (1974–1976), San Francisco Giants (1977–1978), Chicago Cubs (1978–1981), Chicago White Sox (1981) and New York Yankees (1982). McGlothen was named to the National League team in the 1974 All-Star Game as a member of the St. Louis Cardinals.