Charles William Tanner is a former left fielder and manager in Major League Baseball. After spending five seasons as a special assistant to the general manager of the Cleveland Indians, Tanner was named a senior advisor to new Pittsburgh Pirates GM Neal Huntington in the autumn of 2007.

A left-handed batter and thrower, Tanner signed his first contract with the Boston Braves. He played for eight seasons for four different teams: the Chicago Cubs and Los Angeles Angels, as well as the Braves and the Indians. In 396 games played, Tanner batted .261 with 21 home runs.