Alderdice is a Scottish surname. Notable people with the surname include:
Alfred Alderdice (1918–1982), American actor with the stage name Tom Drake Craig Alderdice (born 1961), Australian rules footballer David K. Alderdice (born 1966), Northern Irish politician, mayor of Belfast Frederick C. Alderdice (1871–1936), Prime Minister of Newfoundland John Alderdice, Baron Alderdice (born 1955), Northern Irish politician Scott Alderdice, Australian writer and director
See also Alderdice Peak Allardice Allardyce