Karl Fischer
Karl Fischer may refer to:
- Karl Fischer , German originator of Karl Fischer titration
- Karl Fischer , Austrian politician
- , Austrian football coach: Pogoń Lwów, Legia Warsaw
- Karl Fischer , German militant in Left Communism
- Karl Fischer , Canadian architect
- Karl Fischer, Estonian footballer
- Karl von Fischer, German architect
- Karl Fischer, Austrian actor known for co-starring in the Donna Leon TV series
- Karl Fischer von Treuenfeld, Generalleutnant of Waffen SS
- Karl Fischer, German-born Russian photographer