The 2018 NCAA Division I Women's Lacrosse Championship is the 37th annual single-elimination tournament to determine the national champion of Division I NCAA women's college lacrosse.
The semifinal and championship rounds will be played at Kenneth P. LaValle Stadium in Stony Brook, New York from May 25–27, 2018.
[1] All other rounds were played at campus sites, usually at the home field of the higher-seeded team, from May 11–20.
All NCAA Division I women's lacrosse programs were eligible for this championship, and a total of 27 teams were invited to participate.
14 teams qualified automatically by winning their conference tournaments while the remaining 13 teams qualified at-large based on their regular season records.