Matt Poskay (born January 13, 1984) is an American professional lacrosse player with the Boston Cannons of Major League Lacrosse (MLL). Poskay attended Arthur L. Johnson High School (Clark, New Jersey), where he set a national high school record for goals scored in his career. He played his collegiate lacrosse at the University of Virginia, where he won collegiate national titles in both 2003 and 2006. He was inducted into the New Jersey Lacrosse Hall of Fame in 2013, at the age of 29.