Naranjo, Narvaes, Narvaez, Nasralah, Nasso, Navaro, Navarrete, Navarrette, Navarro, Navas, Nayap, Nazario, Nema, Neyra, Neyra, Nazario, Nomber, Nober, Noboa, Noble, Nogue Nóra, Noriega, Norza, Nova, Regények, Novo, Novoa, Új, Nut, Nunga, Nunez.
OF
Obaldia, Obanbo, Obando, Obares, Obellon, Obon, Obrego, Obregon, Ocampo, Ocampos, Ocaña, Ocaño, Ocario, Ochoa, Ocon, Oconitrillo, Ode, Hate, Odir, Odoñez, Odor, Oduber, Oguilve, Olkaro, Ojedaen, Olaverri, Olazaba, Olguin, Olive, Olive, Olivier, Olivier, Olive, Oller, Olmeda, Olmedo, Elm, Elms, Omacell, Omodeo, Ondoy, Onetto, Oñate, Onoro, Porta, Porto, Oquendo, Ora, Orama, Oramas, Orantes, Ordoezreesno, Ordoezreesno, Orantes, Ordeesno Oreas, Oreiro,
