The 2012–13 East Tennessee State Buccaneers basketball team represented East Tennessee State University during the 2012–13 NCAA Division I men's basketball season.

The Buccaneers, led by 10th year head coach Murry Bartow, played their home games at the ETSU/Mountain States Health Alliance Athletic Center and were members of the Atlantic Sun Conference.

They finished the season 10–22, 8–10 in A-Sun play to finish in eighth place.

They lost in the quarterfinals of the Atlantic Sun tournament to Stetson.

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