2005 NCAA Division I women's lacrosse tournament

The 2005 NCAA Division I Women's Lacrosse Championship was the 24th annual single-elimination tournament to determine the national champion of Division I NCAA women's college lacrosse. The championship game was played at Navy–Marine Corps Memorial Stadium in Annapolis, Maryland during May 2005. All NCAA Division I women's lacrosse programs were eligible for this championship, and a total of 16 teams were invited to participate.

Northwestern defeated Virginia, 13–10, to win their first national championship. This would subsequently become the first of Northwestern's seven national titles in eight years (2005–2009, 2011–12). Furthermore, the Wildcats' championship secured an undefeated season (21–0) for the team.

The leading scorer for the tournament was Cary Chasney from Virginia (17 goals). Kristen Kjellman, from Northwestern, was named the tournament's Most Outstanding Player.

Qualification
A total of 16 teams were invited to participate. 9 teams qualified automatically by winning their conference tournaments while the remaining 7 teams qualified at-large based on their regular season records.

All-tournament team

 * Erin Osborn, Dartmouth
 * Devon Wills, Dartmouth
 * Leigh Jester, Duke
 * Kristen Waagbo, Duke
 * Sarah Albrecht, Northwestern
 * Kristen Kjellman, Northwestern (Most outstanding player)
 * Ashley Koester, Northwestern
 * Courtney Koester, Northwestern
 * Lindsey Munday, Northwestern
 * Amy Appelt, Virginia
 * Cary Chasney, Virginia
 * Nikki Lieb, Virginia