The 2017 NCAA Division I Men's Lacrosse Championship was played on Memorial Day weekend in May 2017 at Gillette Stadium in Foxborough, Massachusetts. This was the 47th annual single-elimination tournament to determine the national championship for National Collegiate Athletic Association (NCAA) Division I men's college lacrosse. Seventeen teams competed in the tournament, based upon their performance during the regular season. For nine teams entry into the tournament was by means of a conference tournament automatic qualifier, eight teams received at-large selections.