O
- (Province of Northern Samar) Ocbol
- (Province of Northern Samar) Orang
- (Province of Samar) Olera
- (Province of Southern Leyte) Otama
- (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 Leyte) Otabon
- (Province of Northern Samar) Ona
- (Province of Southern Leyte) Oticon
- (Province of Leyte) Otin
- (Province of Samar) Otoc
- (Province of Leyte) Otod
- (Province of Leyte) Owak
- (Province of Samar) Oyandic
- (Province of Leyte) Old Taligue
- (Province of Leyte) Osmeña
- (Province of Leyte) Omotot
- (Province of Eastern Samar) Oras Island
- (Province of Northern Samar) Onay
- (Province of Northern Samar) Opang
- (Province of Leyte) Opong
- (Province of Eastern Samar) Opong
- (Province of Leyte) Opong
- (Province of Northern Samar) Opong
- (Province of Samar) Opung