Siri is a surname. Notable people with the surname include:
Alejandro Siri (born 1963), Argentine field hockey playerFlorent Emilio Siri (born 1965), French film directorGiuseppe Siri (1906–1989), Italian cardinalMartin Siri (born 1979), Argentine cricketerPreecha Siri, Karen-Thai conservationistSantipap Siri (born 1985), Thai footballerWilliam Siri (1919–2004), American biophysicist