The 2003–04 Nevada Wolf Pack men's basketball team represented the University of Nevada, Reno during the 2003–04 NCAA Division I men's basketball season.

The Wolf Pack, led by fifth-year head coach Trent Johnson, played their home games at the Lawlor Events Center on their campus in Reno, Nevada as members of the Western Athletic Conference (WAC).

After finishing atop the conference regular season standings, Nevada won the WAC tournament to receive an automatic bid to the NCAA tournament as No.

2 seed Gonzaga to reach the first Sweet Sixteen in program history.

3 seed and eventual national runner-up Georgia Tech ended Nevada's run, 72–67.