Filipines

O

• (Province of Nueva Vizcaya) Osmena
• (Province of Nueva Vizcaya) Ocapon
• (Province of Nueva Vizcaya) Ocao-Capinan
• (Province of Nueva Vizcaya) Oyao
• (Province of Pangasinan) Osmena Sr.
• (Province of Tarlac) Orebat
• (Province of Ilocos Sur) Olo-Olo Sur
• (Province of Pangasinan) Okcuanan
• (Province of Pangasinan) Osmena
• (Province of Northern Samar) Orang
• (Province of Northern Samar) Ocbol
• (Province of Northern Samar) Omagis
• (Province of Northern Samar) Oson
• (Province of Northern Samar) Omaga
• (Province of Sorsogon) Otalahib
• (Province of South Cotabato) Olympog
• (Province of Sorsogon) Olandia
• (Province of Sorsogon) Orolaid
• (Province of Pangasinan) Oraan West
• (Province of Pangasinan) Oraan East
• (Bohol) Ondol
• (Province of Camarines Sur) Obo
• (Province of Negros Occidental) Omambe
• (Province of Nueva Ecija) Olivete
• (Province of Ilocos Norte) Oaig
• (Province of Laguna) Oobi
• (Province of Isabela) Olango
• (Province of Isabela) Old Centro Primero
• (Province of Isabela) Old Centro Segundo
• (Province of Romblon) Olango