Grünberg, Gruenberg is a German surname meaning "green mountain". Variants include Grunberg and in Norwegian Grønnberg.
Notable people with the surname include:
Grünberg Alfred Grünberg (1902–1942), Communist member of the resistance against the Nazis Carl Grünberg (1861–1940), founder of the Archiv für die Geschichte des Sozialismus und der Arbeiterbewegung (Archive for the history of socialism and workers movement) (1911–1930) Karl Grünberg (1891–1972), German Communist writer and journalist Grethe Grünberg (born 1988), ice dancer Hans Grünberg (1917–1998), German fighter pilot Hans-Ulrich Grünberg (born 1956), German chess master Karl Grünberg (disambiguation) Klaus Grünberg (born 1941), German actor Martin Grünberg (1655–1706), architect Mihai-Lucian Grünberg (born 1976), Romanian chess master Peter Grünberg (1939–2018), German physicist and Nobel Prize winner Rosa Grünberg (1878–1960), Swedish actress and soprano Sergiu-Henric Grünberg (born 1947), Romanian chess master Sven Grünberg (born 1956), Estonian ambient and progressive rock composer Theodor Koch-Grünberg (1872–1924), ethnologist
Grunberg Arnon Grunberg (born 1971), Dutch writer Greg Grunberg (born 1966), American television actor Marianne Grunberg-Manago (1921–2013), French biochemist
Gruenberg Benjamin Charles Gruenberg (1875–1965), American biology educator Elliott Gruenberg (born 1990), American guitarist and lead guitarist for Blessthefall Erich Gruenberg (1924–2020), British violinist Jean Gruenberg (born 1950), Swiss biologist Karl Walter Gruenberg (1928–2007), British mathematician Louis Gruenberg (1884–1964), composer Martin J. Gruenberg (born 1953), 20th Chairperson of the Federal Deposit Insurance Corporation Max Gruenberg (1943–2016), American politician