Albert Diaz, Alberto Diaz, or Al Diaz may refer to:
Al Diaz (artist) (born 1959), American graffiti artist Albert Diaz (judge) (born 1960), U.S. federal judge from North Carolina Alberto Díaz Jr. (born 1943), U.S. Navy rear admiral Alberto Díaz Gutiérrez ("Alberto Korda", 1928–2001), Cuban photographer Albert "Tiger" Diaz, founding member of the musical group La Sombra Alberto Díaz (Alberto Díaz Ortiz, born 1994), Spanish basketball player Alberto Díaz Trujillo (born 1975), Mexican politician
Alberto Cabero Díaz (1874–1955), Chilean politician Albert Rivera Diaz (born 1979), Spanish lawyer and politician Alphonso V. Diaz, American NASA official