2008–09 USC Trojans men's basketball team

The 2008–09 USC Trojans men's basketball team represented the University of Southern California during the 2008-09 NCAA Division I men's basketball season. The Trojans, led by 4th year head coach Tim Floyd, played their home games at the Galen Center and were members of the Pacific-10 Conference. They finished the season 22–13, 9–9 in Pac-10 play. They won the 2009 Pacific-10 Conference men's basketball tournament over Arizona State. They went to the 2009 NCAA Division I men's basketball tournament as a 10th seed, where they lost in the 2nd round to Michigan State.

Class of 2008

 * colspan="7" style="padding-left:10px;" | Overall Recruiting Rankings:    Scout – 26     Rivals – 20      ESPN – UR
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Schedule
!colspan=12 style=|Regular season

!colspan=12 style=| Pac-10 Conference tournament

!colspan=12 style=| NCAA tournament