Filipinas
Países del mundo
O
- (Province of Cebu) Oro
- (Province of Camarines Sur) Oroc-Osoc
- (Province of Aklan) Ortega
- (Province of La Union) Ortega
- (Province of Ilocos Sur) Ortoc
- (Province of Bulacan) Osboy
- (Province of Isabela) Oscariz
- (Province of Pangasinan) Osiem
- (Province of Lanao del Sur) Osio
- (Province of Surigao del Norte) Oslao
- (Province of Aklan) Osman
- (Province of Surigao del Norte) Osmena
- (Province of Surigao del Norte) Osmeña
- (Province of Leyte) Osmeña
- (Province of Leyte) Osmeña
- (Province of Samar) Osmeña
- (Province of Leyte) Osmeña
- (Province of Leyte) Osmena
- (Province of Samar) Osmeña
- (Province of Samar) Osmeña
- (Province of Samar) Osmeña
- (Province of Northern Samar) Osmeña
- (Province of Northern Samar) Osmeña
- (Province of Masbate) Osmeña
- (Province of Quezon) Osmeña
- (Province of Catanduanes) Osmena
- (Province of Nueva Ecija) Osmeña Student
- (Province of Ilocos Sur) Oso
- (Province of Antique) Osorio
- (Province of Antique) Osorio