Alessandro Liddi (born August 14, 1988) is an Italian professional baseball third and first baseman for the Leones de Yucatán of the Mexican League.
Liddi played for the Seattle Mariners of Major League Baseball (MLB) from 2011 through 2013, and for the Chinatrust Brothers of the Chinese Professional Baseball League (CPBL) in 2019.
He is the first player born and raised in Italy to play in MLB and CPBL.