Hinrichs is a German surname. Notable people with the surname include:
Carl Hinrichs (1907–1967), German actor
Denise Hinrichs (born 1987), German shot putter
Dutch Hinrichs (1889–1972), American baseball player
Fabian Hinrichs (born 1976), German actor
Gustav Hinrichs (1850–1942), German-born American composer and conductor
Gustavus Detlef Hinrichs (1836–1923), German chemist
Hermann Friedrich Wilhelm Hinrichs (1794–1861), German philosopher
John Hinrichs (1936–2012), American mechanical engineer
John Honeycutt Hinrichs (1904–1990), United States Army general
Joseph Hinrichs (born 1966), American businessman
Lars Hinrichs (born 1976), German businessman
Paul Hinrichs (born 1925), American baseball player