Witkin is a surname. Notable people with the surname include:
Andrew Witkin (1952–2010), American computer scientist who made major contributions in computer vision and computer graphics Beatrice Witkin (1916-1990), American composer and pianist Bernard E. Witkin (1904–1995), founder of the California law treatise Witkin's Brian Witkin, founder and former president of Pacific Records Christian Witkin (born 1966), New York-based fashion and portrait photographer Evelyn M. Witkin (1921–2023), American geneticist whose research has been widely influential in DNA mutagenesis and DNA repair Herman Witkin (1916–1979), American psychologist who specialized in the spheres of cognitive psychology and learning psychology Isaac Witkin (1936–2006), internationally renowned modern sculptor, was born in Johannesburg, South Africa Jerome Witkin (born 1939), American figurative artist whose paintings often deal with political and cultural themes Joel-Peter Witkin (born 1939), American photographer who lives in Albuquerque, New Mexico Morton Witkin (1895–1973), American lawyer and politician