Witkin is a surname. Notable people with the surname include:
Andrew Witkin (1952–2010), American computer scientist Beatrice Witkin (1916-1990), American composer and pianist Bernard E. Witkin (1904–1995), American lawyer, founder of the California law treatise Witkin's Brian Witkin, American founder of Pacific Records Christian Witkin (born 1966), American fashion and portrait photographer Evelyn M. Witkin (1921–2023), American geneticist Herman Witkin (1916–1979), American psychologist Isaac Witkin (1936–2006), South African sculptor Jerome Witkin (born 1939), American artist Joel-Peter Witkin (born 1939), American photographer Morton Witkin (1895–1973), American lawyer and politician