The 2012–13 Pacific Tigers men's basketball team represented the University of the Pacific during the 2012–13 NCAA Division I men's basketball season.

The Tigers, led by 25th year head coach Bob Thomason, played their home games at Alex G. Spanos Center and were members of the Big West Conference.

They were champions of the Big West tournament, winning the championship game over UC Irvine, to earn an automatic bid to the 2013 NCAA tournament where they lost in the first round to Miami (FL).

[1] This was also Pacific's final year in the Big West.

The Tigers were charter members of the WCC in 1952 and left the conference in 1971.