The 1980 Cincinnati Reds season was the 111th season for the franchise in Major League Baseball, and their 11th season at Riverfront Stadium. The Reds finished in third place in the National League West with a record of 89-73, 3½ games behind the Houston Astros, marking the first time since 1971 that the Reds did not finish in either first or second place. The Reds were managed by John McNamara and played their home games at Riverfront Stadium.