User:Davidcannon/Index-1O
- Ogea Driki: an island in Fiji's Lau archipelago.
- Ogea Levu: an island in Fiji's Lau archipelago.
- Ono-i-Lau: an island in Fiji's Lau archipelago.
- Ono Island: a member of Fiji's Kadavu Group.
- Open constituencies: Parliamentary constituencies elected by universal suffrage.
- Ould Daddah, Moktar: The founding father of Mauritania
- Ovalau: the main island in Fiji's Lomaiviti archipelago.