Sigmund Widmer (born 30 July 1919 in Zürich, died 11 August 2003 in Visp) was a Swiss historian, writer and LdU politician who served as mayor of the city of Zürich.
Sigmund Widmer (* 30. Juli 1919 in Zürich; † 11. August 2003 in Visp) war ein Schweizer Politiker (Landesring der Unabhängigen), Historiker und Schriftsteller. Er war von 1966 bis 1982 Stadtpräsident von Zürich. (de)
Sigmund Widmer (born 30 July 1919 in Zürich, died 11 August 2003 in Visp) was a Swiss historian, writer and LdU politician who served as mayor of the city of Zürich. (en)
Sigmund Widmer (Zürich, 30 juli 1919 - Visp, 8 december 2003), was een Zwitsers politicus, historicus en schrijver. (nl)