Sadollah Nasiri Gheydari (Persian: سعدالله نصیری قیداری) is former President of Shahid Beheshti University of Tehran. He is a physicist and professor at Shahid Beheshti University, Iran. After obtaining his B.Sc in 1984, M.Sc in 1988 and Ph.D. in 1992 under Yousef Sobouti, all from Shiraz University, he continued as associate professor in the Department of Physics of Shiraz University. In 1993, he was transferred to Zanjan University where he held various positions including head of its Department of Physics from 1994 to 1996, rector of its College of Science from 1996 to 1998 and again from 2002 to 2004, and vice-chancellor of education from 1998 to 2001.