Nicholas Thompson Swisher is an American former professional baseball outfielder and first baseman in Major League Baseball (MLB). He was a switch hitter who threw left-handed, and played for the Oakland Athletics, Chicago White Sox, New York Yankees, Cleveland Indians and Atlanta Braves. He won the 2009 World Series with the Yankees and was an All-Star in 2010. A power hitter with excellent plate discipline, Swisher hit at least 20 home runs in each of nine consecutive seasons from 2005 to 2013, and reached 75 bases on balls on seven occasions in that span.

In baseball, a switch hitter is a player who bats both right-handed and left-handed, usually right-handed against left-handed pitchers and left-handed against right-handed pitchers, although there are some exceptions.