The 2023 Big Ten men's lacrosse tournament was held from April 29 to May 6, 2023. All six teams participated in the tournament while the top two teams in the regular season standings received first round byes. The first round matches were held on the campus of the higher seed teams, and the semifinals and final matches will be held at the Homewood Field in Baltimore, Maryland. The seeds were determined based on the teams' regular season conference record.
Michigan defeated Maryland 15-4 to win the tournament. This was Michigan's first Big Ten Conference tournament championship, as a result they received the Big Ten Conference's automatic bid to the 2023 NCAA Division I Men's Lacrosse Championship.
Regular Season Standings
Penn State earned the #1 seed via head-to-head tiebreaker over Johns Hopkins. Ohio State earned the #5 seed via head-to-head tiebreaker over Rutgers.
Not including Big Ten Tournament and NCAA Tournament results.