Nischwitz is a German surname. Notable people with the surname include:
Andreas Nischwitz (born 1957), West German pair skater Margarete Nischwitz (1891–1979), German political activist and politician Ron Nischwitz (born 1937), American baseball player and coach Theo Nischwitz (1913–1994), German cinematographer and special effects expert
See also Nischwitz Stadium, a baseball venue in Dayton, Ohio, United States