1999 NCAA Division I men's lacrosse tournament

The 1999 NCAA Division I lacrosse tournament was the 29th annual tournament hosted by the National Collegiate Athletic Association to determine the team champion of men's college lacrosse among its Division I programs, held at the end of the 1999 NCAA Division I men's lacrosse season.

Virginia and held off Syracuse, the number eight seed, in the final, 12–10. This was Virginia's first NCAA title since 1972 and fourth overall, including two pre-NCAA tournament Wingate Trophies in 1952 and 1970.

The championship game was played at Byrd Stadium at the University of Maryland in College Park, Maryland, with 24,135 fans in attendance.

Summary
Virginia's Conor Gill was named the most outstanding player of the tournament, the first freshman ever to win that honor. Other notable players included Virginia's Jay Jalbert, Syracuse's Ryan Powell, and Delaware's player of the year, John Grant, Jr.

Grant, Jr. led the Delaware Blue Hens to a number six national ranking and their first ever tournament win. Grant Jr. was the tournament's leading scorer along with Ryan Powell, with 14 points in just two games.

Up until this final, Virginia had lost its last three championship game appearances in overtime. While the Cavaliers built a 9–3 lead by the third quarter, Syracuse still made it close, scoring five unanswered goals to climb back to within 10–9 with 6:30 left. Syracuse became the first number eight seed to make it to the title game.

The All-Tournament Team included Conor Gill, Derek Kenney, Ryan Curtis, Jay Jalbert, Court Weisleder, Tucker Radebaugh, Marshall Abrams, Ryan Powell, Dan Denihan and Georgetown's Scott Urick.

Qualifying
Twelve NCAA Division I college men's lacrosse teams met after having played their way through a regular season, and for some, a conference tournament.

No teams made their debut appearance in the Division I lacrosse tournament.

Bracket

 * (i) one overtime

All-Tournament Team

 * Conor Gill, Virginia (Named the tournament's Most Outstanding Player)
 * Derek Kenney, Virginia
 * Ryan Curtis, Virginia
 * Jay Jalbert, Virginia
 * Court Weisleder, Virginia
 * Tucker Radebaugh, Virginia
 * Marshall Abrams, Syracuse
 * Ryan Powell, Syracuse
 * Dan Denihan, Johns Hopkins
 * Scott Urick, Georgetown