Robert Joseph Hoover (April 15, 1915 – September 2, 1965) was a professional baseball player from 1937 to 1946. He played three years in Major League Baseball as a shortstop for the Detroit Tigers from 1943 to 1945. He also played six years in the Pacific Coast League (PCL) for the Hollywood Stars from 1938 to 1942 and the San Francisco Seals in 1946. He won a World Series championship with the Tigers in 1945 and a PCL pennant with the Seals in 1946. He was also selected as a PCL all-star and the Hollywood Stars' most valuable player in 1942 when he hit for a .327 batting average.