John R. Ralston (April 26, 1927 — September 14, 2019) was an American football player, coach, and sports executive. He was born in Oakland, California and raised in Norway, Michigan.
Ralston was the head football coach at Utah State University (1959–1962), Stanford University (1963–1971), and San Jose State University (1993–1996). He also coached the Denver Broncos of the National Football League (NFL) from 1972 to 1976 and the Oakland Invaders of the United States Football League (USFL) in 1983.
Ralston was added into the College Football Hall of Fame as a coach in 1992.
Ralston died on September 14, 2019 in Sunnyvale, California at the age of 92.