Steven Bernard Mingori (February 29, 1944 – July 10, 2008) was an American left-handed relief pitcher in Major League Baseball who played for the Cleveland Indians (1970–1973) and Kansas City Royals (1973–1979). He was born in Kansas City, Missouri, and went to Rockhurst High School. He played college baseball at University of Missouri–Kansas City and Pittsburg State University. Mingori was signed by the Cincinnati Reds in 1965, and spent the next five years in the Reds' minor league system. Before the 1970 season began, the Reds traded Mingori to the Cleveland Indians for Jay Ward.