Johann Gruner
Johann Gruner is the name of the following people:
- Johann Friedrich Gruner (1723–1778), German theologian, historian, rhetorician and educator
- Johann Gerhard Gruner (1734–1790), German lawyer and historian
- Johann Rudolf Gruner (1680–1761), Swiss pastor, collector and chronicler
- Johann Samuel von Gruner (1766–1824), Swiss geologist