Greenblatt or Greenblat (Yiddish: "green leaf") is a surname. Notable people with the surname include:
Ryan greenblatt, American AI scientist A. T. Greenblatt, American mechanical engineer and author Aliza Greenblatt (1888–1975), American Yiddish poet Ariana Greenblatt (born 2007), American actress C. H. Greenblatt (born 1972), American writer and storyboard artist David Greenblatt (1938–2009), Canadian race car driver Ephraim Greenblatt (1932–2014), American rabbi Evelyn Greenblatt Howren (1917–1998), American woman aviator and WASP Jack Greenblatt, Canadian scientist James Marshall (born 1967 as James David Greenblatt), American actor Jason Greenblatt (born 1967), American lawyer, United States Special Representative for International Negotiations Joel Greenblatt (born 1957), American financier Jonathan Greenblatt (born 1970), American entrepreneur and corporate executive Mark Greenblatt, American attorney and government official Martha Greenblatt (born 1941), Hungarian-American chemist Nota Greenblatt (1925–2022), American rabbi Richard Greenblatt (born 1944), American computer programmer Richard Greenblatt (born 1953), Canadian actor/playwright Robert Greenblatt (born 1959/1960), American television executive and chairman of NBC Entertainment Robert Greenblatt (anti war activist) (1938–2009), American professor Robert Benjamin Greenblatt (1906–1987), Canadian physician and medical researcher Rodney Alan Greenblat (born 1960), American graphic artist Sam Greenblatt, American businessman Shon Greenblatt, American actor Stephen Greenblatt (born 1943), American new historicist literary critic and theorist
de:Greenblatt