| Oliveira de Azeméis | Oliveira de Azeméis |
| Oliveira de Frades | Oliveira de Frades |
| Oliveira do Hospital | Oliveira do Hospital |
| Olivenza | Olivenza |
| Oliver | Oliver |
| Oliver Bierhoff | Oliver Bierhoff |
| Oliver Cromwell | Oliver Cromwell |
| Oliver Dragojević | Oliver Dragojević |
| Oliver Fisher Winchester | Oliver Winchester |
| Oliver Goldsmith | Oliver Goldsmith |
| Oliver Hardy | Oliver Hardy |
| Oliver Hazard Perry class frigate | Oliver-Hazard-Perry-Klasse |
| Oliver Heaviside | Oliver Heaviside |
| Oliver Hirschbiegel | Oliver Hirschbiegel |
| Oliver Joseph Lodge | Oliver Joseph Lodge |
| Oliver Kahn | Oliver Kahn |
| Oliver Kovačević | Oliver Kovačević |
| Oliver McCall | Oliver McCall |
| Oliver Neuville | Oliver Neuville |
| Oliver Norvelle Hardy | Oliver Norvelle Hardy |
| Oliver omitted to mention that he was married. | Oliver hat nicht erwähnt, dass er verheiratet ist. |
| 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 |
| Olof Rudbeck the Younger | Olof Rudbeck der Jüngere |
| Olof Skötkonung | Olof Skötkonung |
| Olof Swartz | Olof Peter Swartz |
| Olof Vilhelm Arrhenius | Olof Vilhelm Arrhenius |
| Olofström Municipality | Olofström |
| Oloid | Oloid |
| Olokun | Olokun |
| Olomouc | Olomouc |
| Olomouc District | Okres Olomouc |
| Olomouc Region | Olomoucký kraj |
| Olomouc Synagogue | Synagoge |
| Olonets | Olonez |
| Olonets Karelian | Olonetzische Sprache |
| Olopen | Alopen |
| Olorotitan | Olorotitan |
| Olosega Island | Olosega Island |
| Olpe | Olpe |
| Olrog's cinclodes | Olroguferwipper |
| Olrog's gull | Olrog's Möwe |
| OLS estimator | OLS-Schätzfunktion |
| Olsberg | Olsberg |
| Olsbrücken | Olsbrücken |
| Olsen Brothers | Olsen Brothers |
| Olsen Gang | Olsenbande |
| Olshanski | Holszański |
| Olsztyn | Olsztyn |
| Olsztyn County | Powiat Olsztyński |
| Olsztyn Voivodeship | Woiwodschaft Olsztyn |
| Olsztynek | Olsztynek |
| OLT | Olt |
| Olt County | Bezirk Olt |
| Olt River | Olt |
| Oltcit | Oltcit |
| Olten | Olten |
| Oltenia | Kleine Walachei |
| Oltingen | Oltingen |
| Oltos | Oltos |
| Olusegun Obasanjo | Olusegun Obasanjo |
| Olustee | Olustee |
| Olybrius | Olybrius |
| olycook | Schmalzgebackenes |
| Olympe de Gouges | Olympe de Gouges |
| Olympia | Olympia |
| Olympia Centre | Olympia Centre |
| Olympia Dukakis | Olympia Dukakis |
| Olympia Heights | Olympia Heights |
| Olympia Larissa | Olympia Larisa |
| Olympia Mancini | Olympia Mancini |
| Olympia oyster | Olympia-Auster |
| Olympia-Stadion | U-Bahnhof Olympia-Stadion |
| Olympiacos | Olympiakos Piräus |
| Olympiacos BC | Olympiakos Piräus |
| Olympiacos FC | Olympiakos Piräus |
| Olympiacos SC | Olympiakos Piräus |
| olympiad | Olympiade |
