D’addario or Daddario is the surname of the following people:Emilio Q. Daddario (1918–2010), American politician, father of Richard, grandfather of Alexandra Richard Daddario, American attorney and politician, father of Alexandra and Matthew Alexandra Daddario, American actress and model Matthew Daddario, American actor, brother of Alexandra Ray D'Addario, American photographer D'Addario (manufacturer), a manufacturer of musical instrument strings and accessories Major General Lorenzo D'Addario a member of the Italian Armed Forces, and the 23rd Commander of the Kosovo Force
