Bennewitz is a German surname. Notable people with the surname include:
Antonín Bennewitz (1833–1926), Czech violinist, conductor and music teacher Diederik Lodewijk Bennewitz (1764–1826), Dutch goldsmith, silversmith and jeweller Fritz Bennewitz (1926–1995), German theatre director Maren Bennewitz (born 1973), German roboticist Peter Bennewitz (1495–1552), birth name of Petrus Apianus, German humanist Philipp Bennewitz (1531–1589), birth name of Philipp Apian, German mathematician, doctor, cartographer Paul Bennewitz (1927–2003), an American businessman Rick Bennewitz (1936–1999), an American television soap opera director