| olive tree | olivo |
| Olive Warbler | Peucedramus taeniatus |
| olive-tree | olivo |
| Olive-wood | Olea europaea |
| Oliveira | Olea europaea |
| Oliveira de Azeméis | Oliveira de Azeméis |
| Oliveira de Frades | Oliveira de Frades |
| Oliveira do Hospital | Oliveira do Hospital |
| Olivenza | Olivenza |
| Oliver | Olea europaea |
| Oliver Bierhoff | Oliver Bierhoff |
| Oliver Cromwell | Oliver Cromwell |
| Oliver Hardy | Oliver Hardy |
| Oliver Hazard Perry class frigate | Fragatas clase Oliver Hazard Perry |
| Oliver Heaviside | Oliver Heaviside |
| Oliver Hirschbiegel | Oliver Hirschbiegel |
| Oliver Joseph Lodge | Oliver Joseph Lodge |
| Oliver Kahn | Oliver Kahn |
| Oliver Neuville | Oliver Neuville |
| Oliver Norvelle Hardy | Oliver Norvelle Hardy |
| Oliver Riedel | Oliver Riedel |
| Oliver Sacks | Oliver Sacks |
| Oliver Smithies | Oliver Smithies |
| Oliver Stone | Oliver Stone |
| Oliver Tambo | Oliver Tambo |
| Oliver Twist | Oliver Twist |
| Oliverio Rincón | Oliverio Rincón |
| olives | aceitunas |
| Olivia | Olivia |
| Olivia de Havilland | Olivia de Havilland |
| Olivia Lewis | Olivia Lewis |
| Olivia Lufkin | Olivia |
| Olivia Newton-John | Olivia Newton-John |
| Olivia Trinidad Arias | Olivia Trinidad Arias |
| Olivier | Olea europaea |
| Olivier Besancenot | Olivier Besancenot |
| Olivier de la Marche | Olivier de la Marche |
| Olivier Grouillard | Olivier Grouillard |
| Olivier Messiaen | Olivier Messiaen |
| Olivier Panis | Olivier Panis |
| Olivier van Noort | Oliverio van Noort |
| Olivine | Olivino |
| Ollantaytambo | Ollantaytambo |
| Ollantaytambo District | Ollantaytambo |
| Olleros District | Distrito de Olleros |
| Ollersdorf im Burgenland | Ollersdorf im Burgenland |
| Olli Rehn | Olli Rehn |
| Ollie Johnston | Ollie Johnston |
| Ollon | Ollon |
| Olmec | Olmeca |
| Olmec hieroglyphs | Bloque de Cascajal |
| Olmeca | Olmeca |
| Olof Palme | Olof Palme |
| Olof Rudbeck the Younger | Olof Rudbeck el Joven |
| Olof Skötkonung | Olaf el Tesorero |
| Olof Swartz | Peter Olof Swartz |
| Olof Vilhelm Arrhenius | Olof Vilhelm Arrhenius |
| Oloid | Oloide |
| Olokun | Olokun |
| Olomouc | Olomouc |
| Olomouc District | Olomouc |
| Olomouc Region | Región de Olomouc |
| Olomouc Synagogue | Sinagoga |
| Olongapo City | Olóngapo |
| Olorus | Óloro |
| Olpe | Distrito de Olpe |
| Olsen Brothers | Olsen Brothers |
| Olsztyn | Olsztyn |
| OLT | Río Olt |
| Olt County | Olt |
| Olt River | Río Olt |
| Olten | Olten |
| Oltenia | Oltenia |
| Oltingen | Oltingen |
| Olusegun Obasanjo | Olusegun Obasanjo |
| Olybrius | Anicio Olibrio |
| Olympe de Gouges | Olympe de Gouges |
| Olympe Maxime | Olympe Maxime |
| Olympia | Olimpia |
| Olympiacos | Olimpiakos CFP |
| Olympiacos FC | Olimpiakos CFP |
| Olympiacos SC | Olimpiakos CFP |
| olympiad | olimpíada |
| Olympiakos | Olimpiakos CFP |
| Olympiakos Nicosia | Olympiakos Nicosia FC |
| Olympian | Estadio Olímpico de Atenas |
| Olympias | Olimpia de Epiro |
| Olympic | olímpico |
| Olympic Airlines | Olympic Airlines |
| Olympic Flame | Llama Olímpica |
| Olympic Games | Olimpíadas |
| Olympic mascot | Mascotas de los Juegos Olímpicos |
| Olympic motto | Citius altius fortius |
| Olympic Oath | Juramento Olímpico |
| Olympic Peninsula | Olympique de Marsella |
| Olympic sport | Deportes olímpicos |
| Olympic sports | Deportes olímpicos |
