Johanne, Johannes, Johan, or Johanes Hartmann may refer to:
- Johannes Hartmann (1568–1631), German chemist
- Johannes Franz Hartmann (1865–1936), German physicist and astronomer
- Johann Hartmann (1726–1793), Danish composer
- Johan Ernst Hartmann (1770–1844), Danish composer
- Johan Peter Emilius Hartmann (1805–1900), Danish composer
See also
edit- Carl Johan Hartman (1790–1849), Swedish physician and botanist
- Hartmann
- Hartman
This disambiguation page lists articles about people with the same name.
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