Grünbaum
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