Karl Martin
Karl Martin is the name of the following people:
- Karl Martin (geologist) (1851–1942), German geologist and paleontologist
- Karl Martin (lawyer) (1877–1974), German lawyer and judge
- Karl Martin (politician) (1893–1946), German politician (NSDAP), MdR
- Karlheinz Martin (1886–1948), German director and screenwriter
- Karl Josef Martin (1829–1893), German politician and civil servant
- Karl Wilhelm Martin (1846–1885), Swiss politician
