Marr B. Phillips (June 16, 1857 – April 1, 1928) was a professional baseball player whose career spanned from 1877 to 1899. He played four seasons in Major League Baseball as a shortstop for the Indianapolis Hoosiers (1884), Detroit Wolverines (1885), Pittsburgh Alleghenys (1885) and Rochester Bronchos (1890). He also spent 16 seasons in the minor leagues.