Johann Fischer
Johann Fischer may refer to:
Entertainment
- Johann Georg Fischer (painter), German historical painter
- Johann Fischer (theologian), German Lutheran theologian
- Johann Fischer (composer), German violinist, pianist, and composer of the Baroque era
- Johann Caspar Ferdinand Fischer, German Baroque composer
- Johann Christian Fischer, German composer and oboist
- Johann Ignaz Ludwig Fischer, German opera singer
- Johann Georg Fischer, German poet and playwright
Science
- Johann Bernhard Fischer, German doctor, medical adviser to Empress Anna
- Johann Fischer von Waldheim, German anatomist, entomologist, and paleontologist
- Johann Conrad Fischer, Swiss metallurgist
- Johann Nepomuk Fischer, Austrian ophthalmologist
- Johann Baptist Fischer, German naturalist, zoologist, and botanist
- Johann Gustav Fischer, German herpetologist
Other
- Johann Bernhard Fischer von Erlach, Austrian architect, sculptor, and architectural historian
- Johann Michael Fischer, German architect in the late Baroque period
- Johann Erhard Fischer, German Lutheran pastor