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