Motz is a surname. Notable people with the name include:
Anna Motz (born 1964), American psychologist Diana Gribbon Motz (born 1943), United States circuit judge Dick Motz (1940–2007), New Zealand cricketer Elsie Motz Lowdon (1883–1960; née Motz) American painter Frank Motz (1869–1944), American baseball player Glen Motz (born 1958), Canadian politician Hans Motz (1909–1987), Austrian-born physicist in the United Kingdom J. Frederick Motz (1942–2023), United States district judge John Motz (1830–1911), German-born Canadian politician, German-language newspaper proprietor and sheriff Lloyd Motz (1909–2004), American astronomer Lotte Motz (1922–1997), Austrian-American scholar Roger Motz (1904–1964), Belgian politician Walter Motz, German cross-country skier of the 1930s
See also Wilhelm Amsinck Burchard-Motz (1878–1963), German lawyer and politician Metz (surname)