Karl Ehmann
Karl Ehmann is the name of the following people:
- Karl Ehmann (master builder) (1777–1829), Austrian court master builder and town builder
- Karl Ehmann (engineer) (1827–1889), German engineer
- Karl Ehmann (actor) (1882–1967), Austrian actor
- Karl Christian Eberhard Ehmann (1808–1879), Lutheran pastor from Württemberg