Alfred Robert "Dad" Clark (July 16, 1873 – July 26, 1956) was a professional baseball player. Clark played part of one season in Major League Baseball for the Chicago Orphans in 1902. He played in 12 games, collecting 8 hits in 43 at-bats, totaling a .186 batting average. Along with his nickname "Dad", Clark also was known as "Fred", a shortened version of Alfred.