Nerz is a surname of German origin. It means "mink" in English. Notable persons with that surname include:
Dominik Nerz (born 1989), German road cyclist Joachim Nerz (born 1964), German botanist Louis Nerz (1866–1938), Austrian screenwriter and actor Otto Nerz (1892–1949), German football manager Sebastian Nerz (born 1983), German bioinformatician and politician (Pirates)