| Oliver Plunkett | Oliver Plunkett |
| Oliver Riedel | Oliver Riedel |
| Oliver Sacks | Oliver Sacks |
| Oliver Shanti | Oliver Shanti |
| Oliver Smithies | Oliver Smithies |
| Oliver Stone | Oliver Stone |
| Oliver Tambo | Oliver Tambo |
| Oliver Twist | Oliver Twist |
| Oliver Wiswell | Oliver Wiswell |
| Oliver! | Oliver |
| Oliver's rail | Malegassensumpfhuhn |
| Oliver's Story | Olivers Story |
| Oliveros virus , OLVV | Oliveros-Virus |
| Oliveros viruses , OLVV | Oliveros-Viren |
| Olives | Oliven |
| Olives are the bread and butter of the Palestinian economy. | Oliven sind der Grundpfeiler der palästinensischen Wirtschaft. |
| Olivetan | Olivetaner |
| Olivetans | Olivetaner |
| Olivia | Olivia |
| Olivia could not help but agree with him. | Olivia musste ihm Recht geben. |
| Olivia De Berardinis | Olivia de Berardinis |
| Olivia de Havilland | Olivia de Havilland |
| Olivia Joules and the Overactive Imagination | Die Geheimnisse der Olivia Joules |
| Olivia Lufkin | Olivia Lufkin |
| Olivia Newton-John | Olivia Newton-John |
| Olivia Twist | Olivia Twist |
| Olivier | Oliver |
| Olivier Besancenot | Olivier Besancenot |
| Olivier de la Marche | Olivier de la Marche |
| Olivier Gruner | Olivier Gruner |
| Olivier Levasseur | La Buse |
| Olivier Messiaen | Olivier Messiaen |
| Olivier Panis | Olivier Panis |
| Olivier Schoenfelder | Olivier Schoenfelder |
| Olivier van Noort | Olivier van Noort |
| Olivier's rail | Malegassensumpfhuhn |
| Olivine | Olivingruppe |
| olivine basalt | Olivinbasalt |
| olivine rock | Dunit |
| olivopontocerebellar atrophy , OPCA | olivopontozerebellare Atrophie |
| Oliwa | Kloster Oliva |
| Olkhon | Olchon |
| Olkiluoto Nuclear Power Plant | Olkiluoto |
| Olkusz | Olkusz |
| Olkusz County | Powiat Olkuski |
| olla podrida | scharf gewürzter Eintopf aus Fleisch und Gemüse |
| Ollantaytambo | Ollantaytambo |
| Ollantaytambo District | Ollantaytambo |
| Olleros District | Distrikt Olleros |
| Ollersdorf im Burgenland | Ollersdorf im Burgenland |
| Ollerton | Ollerton |
| Olli Jokinen | Olli Jokinen |
| Olli Rehn | Olli Rehn |
| Ollier's disease | Hemichondrodysplasie |
| Ollier's syndrome | Ollier-Syndrom |
| Olliergues | Olliergues |
| Ollon | Ollon VD |
| Olly Olly Oxen Free | Das große Abenteuer im Ballon |
| Olly, Olly, Oxen Free | Das grosse Abenteuer im Ballon |
| olm | Grottenolm |
| Olmec | Olmeken |
| Olmeca | Olmeken |
| olmidine | Olmidin |
| Olmstead Falls | Olmstead Falls |
| olmsteadite | Olmsteadit |
| Olney | Olney |
| Olof Palme | Olof Palme |
| Olof Palme Prize | Olof-Palme-Preis |
