| oliveira | olive tree |
| Oliveira de Azeméis | Oliveira de Azeméis |
| Oliveira de Frades | Oliveira de Frades |
| Oliveira do Hospital | Oliveira do Hospital |
| Olivença | Olivenza |
| Oliver Bierhoff | Oliver Bierhoff |
| Oliver Cromwell | Oliver Cromwell |
| Oliver Goldsmith | Oliver Goldsmith |
| Oliver Hardy | Oliver Hardy |
| Oliver Heaviside | Oliver Heaviside |
| Oliver Kahn | Oliver Kahn |
| Oliver Lodge | Oliver Joseph Lodge |
| Oliver Neuville | Oliver Neuville |
| Oliver Phelps | James and Oliver Phelps |
| Oliver Riedel | Oliver Riedel |
| Oliver Sacks | Oliver Sacks |
| Oliver Smithies | Oliver Smithies |
| Oliver Stone | Oliver Stone |
| Oliver Tambo | Oliver Tambo |
| Oliver Tsubasa | Tsubasa Ozora |
| Olivera Jevtić | Olivera Jevtić |
| OLIVIA | Olivia Lufkin |
| Olivia de Havilland | Olivia de Havilland |
| Olivia Lufkin | Olivia Lufkin |
| Olivia Newton-John | Olivia Newton-John |
| Olivier Blanchard | Olivier Blanchard |
| Olivier de Clisson | Olivier de Clisson |
| Olivier Grouillard | Olivier Grouillard |
| Olivier Messiaen | Olivier Messiaen |
| Olivier Panis | Olivier Panis |
| Olivier van Noort | Olivier van Noort |
| Olivina | Olivine |
| Olivo | Olive |
| Oliwa | Oliwa |
| Ollantaytambo | Ollantaytambo |
| Ollastra | Ollastra Simaxis |
| Ollon | Ollon |
| Olmeca | Olmec |
| Olmecas | Olmec |
| Olmeda del Rey | Osa de la Vega |
| olmeiro | elm |
| olmo | elm |
| olmoi | elmlder |
| Olof Palme | Olof Palme |
| Olof Peter Swartz | Olof Swartz |
| Olof Rudbeck | Olaus Rudbeck |
| Olof Rudbeck o jovem | Olof Rudbeck the Younger |
| Olof Vilhelm Arrhenius | Olof Vilhelm Arrhenius |
| Olokun | Olokun |
| Olomouc | Olomouc |
| olori | fragrance |
| Olorotitan | Olorotitan |
| Olpe | Olpe |
| OLSR | Optimized Link State Routing protocol |
| Olsztyn | Olsztyn |
| Olt | Olt County |
| Olten | Olten |
| Oltênia | Oltenia |
| Olusegun Obasanjo | Olusegun Obasanjo |
| olvidar | to forget |
| olvidável | forgettable |
| Olympe de Gouges | Olympe de Gouges |
| Olympia | Olympia |
| Olympia Dukakis | Olympia Dukakis |
| Olympiacos | Olympiacos FC |
| Olympiakos Nicósia | Olympiakos Nicosia |
| Olympic Airlines | Olympic Airlines |
| Olympique de Marselha | Olympique de Marseille |
| Olympique Lyonnais | Olympique Lyonnais |
| Olympus Mons | Olympus Mons |
| olá | hello |
| oláia | potter´s workshop |
| olíbano | frankincense |
| Olímpia | Olympia |
| Olímpia do Épiro | Olympias |
| olímpico | Olympic |
| Olívia Palito | Olive Oyl |
| Om | Aum |
| Om mani padme hum | Om mani padme hum |
| Omaeda Marechiyo | Marechiyo Ōmaeda |
| Omaha | Omaha |
| Oman | Oman |
| Omar | Umar |
| Omar Abdel-Rahman | Omar Abdel-Rahman |
| Omar Bongo | Omar Bongo |
| Omar Bradley | Omar Bradley |
| Omar Epps | Omar Epps |
| Omar Hasan Ahmad al-Bashir | Omar al-Bashir |
| Omar Khayyam | Omar Khayyám |
| Omar Pène | Omar Pène |
| Omar Sharif | Omar Sharif |
| Omar Sivori | Omar Sívori |
| Omar Torrijos | Omar Torrijos |
| omaso | third stomach |
| Omastar | Omastar |
| Omasuyos | Omasuyos Province |
| ombreira | shoulder pad |
| ombro | shoulder |
| ombro a ombro | abreast |
| ombroi | shoulder |
| Ombu | Ombú |
| Ombudsman | Ombudsman |
| OMC | World Trade Organization |
| Omega | Omega |
| Omega arredondado | Broad On |
| Omegna | Omegna |
| Omeissauro | Omeisaurus |
| omelete | omelette |
| omeleteira | omelet panade |
| Omertà | Omertà |
| Omicron Andromedae | Omicron Andromedae |
| ominoso | ominous |
