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).

Before the 1970 season began, the Reds traded Mingori to the Cleveland Indians for Jay Ward.

[1] Mingori made his major league debut on August 5, 1970, and finished the season with a 1–0 win–loss record and a 2.66 earned run average (ERA) in 21 games.

[1] In a ten-season career, Mingori posted a won-loss record of 18–33 with a 3.03 earned run average and 42 saves in 385 games pitched, all but two of which came as a reliever.

Mingori died on July 10, 2008, in his hometown of Liberty, Missouri, of natural causes.