Thorsten Weidner (born 29 December 1967) is a German fencer. He won a silver medal in the team foil event at the 1988 Summer Olympics and a gold in the same event at the 1992 Summer Olympics.
Thorsten Weidner attended the Kaufmännische Schule Tauberbischofsheim and fought for the Fencing-Club Tauberbischofsheim.