The 2009 America East Men's Lacrosse Tournament was the 10th edition of the America East Conference Men's Lacrosse Tournament and took place from April 29 to May 2 at the higher seeds home field. The winner of the tournament received the America East Conference's automatic bid to the 2009 NCAA Division I Men's Lacrosse Championship. Four teams from the America East conference will compete in the single elimination tournament. The seeds were based upon the teams regular season conference record.