The 1998–99 Gonzaga Bulldogs men's basketball team represented Gonzaga University in the West Coast Conference (WCC) during the 1998–99 NCAA Division I men's basketball season.
Led by second-year head coach Dan Monson, the Bulldogs were 22–6 (.786) overall in the regular season (12–2 in WCC, first),[1] and played their home games on campus at the Charlotte Y. Martin Centre in Spokane, Washington.
The top-seeded Zags won the conference tournament at Santa Clara,[2] and were seeded tenth in the West regional of the NCAA tournament.
Unranked and sent to Seattle, they recorded the program's first NCAA tournament wins with upsets of Minnesota and #7 Stanford, the region's second seed.
In the Sweet Sixteen at Phoenix, Gonzaga edged sixth-seeded Florida by a point,[3] but fell by five in the Elite Eight to third-ranked Connecticut, the eventual national champion, and finished at 28–7 (.800).