Grünbaum is a German surname meaning "green tree" and may refer to:
Adolf Grünbaum (1923–2018), German-born philosopher of science Branko Grünbaum (1929–2018), Croatian-born mathematician Fritz Grünbaum (1880–1941), Austrian cabaret artist, operetta and pop song writer Max Grünbaum (1817–1898), German Orientalist Victor Gruen (born Grünbaum; 1903–1980), an Austrian commercial architect Yitzhak Gruenbaum (1879–1970), Polish-Israeli leader of the Zionism
See also Greenbaum
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