Grinberg is a surname. Notable people with the surname include:
Adam Greenberg (cinematographer) (born 1939), Polish cinematographer
Alexander Grinberg, Soviet photographer
Anouk Grinberg (born 1963), Belgian actor
Emanuel Grinberg (1911–1982), Latvian mathematician
Grinberg's theorem, named after Emanuel Grinberg
Gedalio Grinberg (1931–2009), Cuban-American watchmaker
Iosif Grinberg (1906–1980), Soviet literary critic
Ivan Grinberg (1908–1973), the birth name of Philip Rahv
Maria Grinberg (1908–1978), Soviet pianist
Sara Topelson de Grinberg (born 1945), Polish-born Mexican architect
Yoysef Grinberg (1900–1996), Polish-born American actor
Zalman Grinberg (1912–1983), American physician