| olfactif | olfactorisch |
| Olga | Olga van Kiev |
| Olga Alexandrovna | Olga Aleksandrovna van Rusland |
| Olga Alexandrovna de Russie | Olga Aleksandrovna van Rusland |
| Olga Bondarenko | Olga Bondarenko |
| Olga Constantinovna de Russie | Olga Konstantinova van Rusland |
| Olga de Russie | Olga Nikolajevna van Rusland |
| Olga Karnovic Paley | Olga Valerianovna Karnovitsj |
| Olga Kern | Olga Kern |
| Olga Kuzenkova | Olga Koezenkova |
| Olga Neuwirth | Olga Neuwirth |
| Olga Nicolaevna de Russie | Olga Nikolajevna van Rusland |
| Olga Nicolaïevna de Russie | Olga Nikolajevna van Rusland |
| Olga Poutchkova | Olga Poetsjkova |
| Olga Prekrasa | Olga van Kiev |
| Olga Pyleva | Olga Pyljova |
| Olga Rubtsova | Olga Roebtsova |
| Olga Ryabinkina | Olga Rjabinkina |
| Olga Savtchouk | Olga Savtsjoek |
| Olga Yegorova | Olga Jegorova |
| Olga Zaitseva | Olga Zajtseva |
| Olgiate Comasco | Olgiate Comasco |
| Olgoï-Khorkhoï | Mongoolse doodsworm |
| Olib | Olib |
| Oliena | Oliena |
| Olifant | Mûmakil |
| oligarchie | oligarchie |
| oligarchique | oligarchisch |
| oligo-élément | spoorelement |
| Oligocène | Oligoceen |
| Oligodendrocyte | Oligodendrociet |
| Oligomère | Oligomeer |
| Oligoryzomys | Oligoryzomys |
| Oligosaccharide | Oligosacharide |
| Oligotrophe | Oligotroof |
| Olimpiada Ivanova | Olimpiada Ivanova |
| Olimps Riga | JFK Olimps Riga |
| Olin Wilson | Olin Wilson |
| Olinda | Olinda |
| Oliphant | Mûmakil |
| olisbos | vibrator |
| olive | olijf |
| olive de duffel-coat | houtje |
| Oliveira da Figueira | Oliveira da Figueira |
| Oliveira de Azeméis | Oliveira de Azeméis |
| Oliveira de Frades | Oliveira de Frades |
| Oliveira do Hospital | Oliveira do Hospital |
| Olivenza | Olivenza |
| Oliver Bierhoff | Oliver Bierhoff |
| Oliver Cromwell | Oliver Cromwell |
| Oliver Heaviside | Oliver Heaviside |
| Oliver Hirschbiegel | Oliver Hirschbiegel |
| Oliver Kahn | Oliver Kahn |
| Oliver Kovačević | Oliver Kovačević |
| Oliver Lodge | Oliver Lodge |
| Oliver Mtukudzi | Oliver Mtukudzi |
| Oliver Neuville | Oliver Neuville |
| Oliver Riedel | Oliver Riedel |
| Oliver Sacks | Oliver Sacks |
| Oliver Springs | Oliver Springs |
| Oliver Stone | Oliver Stone |
| Oliver Tambo | Oliver Tambo |
| Olivia de Havilland | Olivia de Havilland |
| Olivia Newton-John | Olivia Newton-John |
| olivier | olijfboom |
| Olivier Besancenot | Olivier Besancenot |
| Olivier Grouillard | Olivier Grouillard |
| Olivier Levasseur | Olivier Levasseur |
| Olivier Messiaen | Olivier Messiaen |
| Olivier Panis | Olivier Panis |
| Olivier Plunket | Olivier Plunkett |
| Olivier Schoenfelder | Olivier Schoenfelder |
| Olivier van Noort | Olivier van Noort |
| Olivine | Olivijn |
| olivâtre | grauw |
| Olivénite | Oliveniet |
| Ollastra | Ollastra |
| Olli Rehn | Olli Rehn |
| Ollie | Ollie |
| Ollon | Ollon |
| Olmeta-di-Capocorso | Olmeta-di-Capocorso |
| Olmeta-di-Tuda | Olmeta-di-Tuda |
| Olmi-Cappella | Olmi-Cappella |
| Olmèques | Olmeken |
| Olney | Olney |
| Olof Celsius le jeune | Olof Celsius de jongere |
| Olof de Suède | Olof II van Zweden |
| Olof Palme | Olof Palme |
| Olomouc | Olomouc |
| Oloïde | Oloid |
| Olpe | Olpe |
| Olsberg | Olsberg |
| Olsen Brothers | Olsen Brothers |
| Olsztyn | Olsztyn |
| Olt | Olt |
| Oltcit | Oltcit |
| Olten | Olten |
| Oltingen | Oltingen |
| Olténie | Oltenië |
| Oluf Ier de Danemark | Olaf I van Denemarken |
| Oluf III de Danemark | Olaf IV van Noorwegen |
| Olusegun Obasanjo | Olusegun Obasanjo |
| Olybrius | Olybrius |
| Olympe | Olympus |
| Olympe Maxime | Olympe Mallemour |
| Olympia | Olympia |
| Olympia Dukakis | Olympia Dukakis |
| olympiade | olympiade |
| Olympiades internationales de mathématiques | Internationale Wiskunde Olympiade |
| Olympiades Internationales de Physique | Internationale Fysica Olympiade |
| Olympiakos | Olympiakos Piraeus |
| Olympiakos Le Pirée | Olympiakos Piraeus |
| Olympiakos Nicosie | Olympiakos Nicosia |
| Olympiakós | Olympiakos Piraeus |
| Olympias | Olympias |
| Olympic Airways | Olympic Airlines |
| Olympic Oval | Olympic Oval |
| Olympie | Olympia |
| olympique | Olympisch |
| Olympique de Béja | Olympique Béja |
| Olympique de Casablanca | Olympique Casablanca |
| Olympique de Khouribga | Olympique Khouribga |
| Olympique de Marseille | Olympique Marseille |
| Olympique de Safi | Olympique Safi |
| Olympique lyonnais | Olympique Lyonnais |
| Olympos | Olympus |
| Olympus | Olympus Corporation |
| Olympus Mons | Olympus Mons |
| Oléoduc Bakou-Tbilissi-Ceyhan | Bakoe-Tbilisi-Ceyhanpijpleiding |
| Oléoduc Druzhba | Droezjba-pijpleiding |
| oléographie | oleografie |
