The 2011 Atlantic 10 men's basketball tournament was played initially at campus sites for the opening round on March 8, 2011 and subsequently at Boardwalk Hall in Atlantic City, New Jersey from March 11 through March 13, 2011. It was the fifth consecutive year that the tournament is hosted in Boardwalk Hall. The Richmond Spiders won the tournament and thereby received an automatic bid to the 2011 NCAA Men's Division I Basketball Tournament.