Fred Clifford Clarke (October 3, 1872 – August 14, 1960) was a Major League Baseball player from 1894 to 1915 and manager from 1897 to 1915. A Hall of Famer, Clarke played for and managed both the Louisville Colonels and Pittsburgh Pirates. He was a left fielder and left-handed batter.
Of the nine pennants in Pittsburgh franchise history, Clarke was the player-manager for four of them. He and fellow Hall of Famers Honus Wagner and Vic Willis led Pittsburgh to a victory over Ty Cobb and the Detroit Tigers in the 1909 World Series. Clarke batted over .300 in 11 different seasons. His 35-game hitting streak in 1895 was the second-longest in Major League history at the time and is still tied for 11th-longest. For six years, Clarke held the Major League record for wins by a manager.