O (Province of Camiguin) Owakan (Province of Quezon) Owak (Province of Iloilo) Owak (Province of Leyte) Owak (Bohol) Owak (Province of Negros Oriental) Owacan (Bohol) Owac (Province of Pangasinan) Ouou (Province of Antique) Opsan (Occidental Mindoro) Otayan (Province of Palawan) Oton (Province of Ilocos Norte) Otol (Province of Ilocos Sur) Otol (Province of Romblon) Otod (Province of Masbate) Otod (Province of Leyte) Otod (Province of Negros Occidental) Otod (Province of Camarines Sur) Otoc (Province of Samar) Otoc (Province of Leyte) Otin (Province of Surigao del Sur) Otiela (Province of Southern Leyte) Oticon (Province of Southern Leyte) Otama (Province of Leyte) Otabon (Province of Antique) Osorio (Province of Antique) Osorio (Province of Ilocos Sur) Oso (Province of Nueva Ecija) Osmeña Student (Province of Catanduanes) Osmena (Province of Quezon) Osmeña 1 2 3 4 5