Greenspan is an English surname popular among Jewish Americans. It is the anglicized form of the German/Yiddish surname Grünspan ("green swarf", "green patina", "verdigris", "copper(II) acetate"). Cognate are the surnames Grynszpan and Grinshpan (Poland, Romania, Hungary). Notable people with the surname include:
Alan Greenspan (born 1926), American economistGreenspan Commission (1981–83) on social security reform, chaired by the aboveGreenspan put, a policy named after the economistGuidotti–Greenspan rule of finance, publicized by the economistBennett Greenspan (born 1952), American entrepreneur, founder of Family Tree DNABrad Greenspan (born 20th century), American entrepreneur (MySpace)Brian Greenspan (born 1947), Canadian lawyerBud Greenspan (1926–2010), American film directorDavid Greenspan (born 1956), American actor and playwrightDorie Greenspan (born 20th century), American author of cookbooksEdward Greenspan (born 1944), Canadian lawyerJason Scott Greenspan (born 1959), aka Jason Alexander, American actorJerry Greenspan (born 1941), American basketball playerMelissa Greenspan (born 20th century), American actressNachman Shlomo Greenspan (1878–1961), Polish-born UK rabbi and Talmudic scholarRyan Greenspan (born 1982), American paintball playerStanley Greenspan (born 1941), American psychiatristRonald Greenspan, Q.C. (born 1936) Canadian lawyerHerschel Grynszpan (1921-before 1945), Jewish assassinEdward Greenspon (born 1957), Canadian newspaper editor