Johann Weidner
Johann Weidner is the name of the following people
- Johann Weidner (painter) (around 1628–1706), German painter and draftsman
- Johann David Weidner (1721–1784), German architect
- Johann Joachim Weidner (1672–1732), German Lutheran theologian and university professor
- Johann Leonhard Weidner (1588–1655), German humanist