| 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 |
| Olympiada Patras | Olympiada Patron |
| olympiadane | Olympiadan |
