O (Province of Aklan) Odiong (Province of Camarines Sur) Ocampo Otavi (Province of Sorsogon) Osiao (Province of Aklan) Ochanado (Province of Camarines Sur) Odicon (Province of Pangasinan) Olea (Province of La Union) Oaqui (Province of Negros Occidental) Ogtongon (Province of Guimaras) Oracon (Province of Aklan) Ondoy (Province of Leyte) Old Taligue (Province of Rizal) Our Lady of Lourdes (Bohol) Overland (Eastern Manila District) Old Zaniga (Province of Sultan Kudarat) Oal (Province of Pangasinan) Omando (Bohol) Obuhan (Province of Samar) Obo (Province of Surigao del Sur) Oteiza (Province of Antique) Ouiligdon (Province of Iloilo) Oyuñgan (Province of Zambales) Oyong (Province of Capiz) Oyong (Province of Iloilo) Oya-oy (Province of Iloilo) Oyanoyan (Province of Samar) Oyandic (Province of Romblon) Oyan (Bohol) Oy (Bohol) Owanan 1 2 3 4