Horst Weigang (born 30 September 1940) is a German former footballer.
He played for East Germany between 1962 and 1968.In the Oberliga Weigang appeared in 234 matches for SC Lokomotive Leipzig, SC Turbine/FC Rot-Weiß Erfurt and SC Rotation/SC/1.
FC Lokomotive Leipzig.He is the father of swimmer Birte Weigang, and his son Sven was also a footballer.