Cal Ripken, Sr., American baseball player, coach, and manager (b. 1936)
Calvin Edwin Ripken Sr. (December 17, 1935 – March 25, 1999) was an American baseball player, scout, coach and manager. who spent 36 years in the Baltimore Orioles organization. He played in the Orioles' farm system beginning in 1957, and later served as manager of the parent club, on which his sons Cal Jr. and Billy played.

Born near Aberdeen, Maryland, which he called home throughout his life, Ripken joined the Baltimore Orioles in 1957 as a minor league player. He would spend the next 36 years in the organization, mainly as a coach, with only one season and seven games coming as a manager. As a manager in the minor leagues for 13 years, Ripken won 964 games, and later compiled a 68-101 record managing the Orioles. Several of his students, including Jim Palmer, Eddie Murray, and most prominently his son Cal Jr., went on to Hall of Fame careers. He was credited for helping sculpt his team's tradition of excellence known as "The Oriole Way."