Karl Matthias
Karl Matthias is the name of the following people:
- Karl Matthias (1838–1903), writer, tenor, theater director, theater director, see Carl Matthias
- Karl Matthias (goldsmith) (1802–1863), royal Hanoverian court gold and silver worker and jeweler
- Karl-Heinz Matthias (* 1945), German President of the Customs Criminal Police Office