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 economist
Greenspan Commission (1981–83) on social security reform, chaired by the above
Greenspan put, a policy named after the economist
Guidotti–Greenspan rule of finance, publicized by the economist
Bennett Greenspan (born 1952), American entrepreneur, founder of Family Tree DNA
Brad Greenspan (born 20th century), American entrepreneur (MySpace)
Brian Greenspan (born 1947), Canadian lawyer
Bud Greenspan (1926–2010), American film director
David Greenspan (born 1956), American actor and playwright
Dorie Greenspan (born 20th century), American author of cookbooks
Edward Greenspan (born 1944), Canadian lawyer
Jason Scott Greenspan (born 1959), aka Jason Alexander, American actor
Jerry Greenspan (born 1941), American basketball player
Melissa Greenspan (born 20th century), American actress
Nachman Shlomo Greenspan (1878–1961), Polish-born UK rabbi and Talmudic scholar
Ryan Greenspan (born 1982), American paintball player
Stanley Greenspan (born 1941), American psychiatrist
Ronald Greenspan, Q.C. (born 1936) Canadian lawyer
Herschel Grynszpan (1921-before 1945), Jewish assassin
Edward Greenspon (born 1957), Canadian newspaper editor
