Weinberger is a German surname. Notable people with the surname include:
Eliot Weinberger (born 1949), American writer, editor, and translatorCaspar Weinberger (1917–2006), American politician and Secretary of Defense under President Ronald ReaganCaspar Weinberger Jr. (born 1947), American writer, son of aboveCharles Weinberger (1861–1939), Austrian composerDavid Weinberger, technologist and commentatorDavid B. Weinberger, mathematician and investorJaromír Weinberger, Czech composerPeter J. Weinberger (born 1942), mathematician and computer scientistShmuel Weinberger (born 1963), mathematicianWeinberger Doctrine