The 1931 Detroit Stars baseball team competed in the Negro National League (NNL) during the 1931 baseball season. The team compiled a 25–33 record (.431) and finished fourth in the NNL. The Stars played their home games at Mack Park located on the east side of Detroit, about four miles from downtown, at the southeast corner of Fairview Ave. and Mack Ave. The team was owned by John A. Roesink and managed by Bingo DeMoss.