The 2012–13 San Diego State men's basketball team represents San Diego State University in the 2012–13 college basketball season. They are members in the Mountain West Conference. This will be head coach Steve Fisher's fourteenth season at San Diego State. The Aztecs play home games at Viejas Arena. They finished with a record of 23–11 overall, 9–7 in Mountain West play for 3rd place tie with Boise State. They lost in the semifinals in the 2013 Mountain West Conference men's basketball tournament to New Mexico. They received an at-large bid in the 2013 NCAA Division I men's basketball tournament, in which they beat Oklahoma in the second round and lost in the third round to Florida Gulf Coast.
Off Season
Departures
Incoming Transfers
2012 Recruiting Class
Roster
Source
Schedule and results
Source
All times are Pacific
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!colspan=9| Exhibition
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!colspan=9| Regular Season
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!colspan=9| 2013 Mountain West Conference men's basketball tournament
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!colspan=9|2013 NCAA tournament
Rankings
*AP does not release post-NCAA Tournament rankings.