| others | andra |
| otherwise | annars |
| otherworldly | andlig |
| Othmarsingen | Othmarsingen |
| Othniel Charles Marsh | Othniel Charles Marsh |
| Otho | Otho |
| otiose | onödig |
| Otis Redding | Otis Redding |
| otitis | otit |
| Otok | The Island |
| Otokar Březina | Otokar Březina |
| Otomat | Theseus |
| Otpor | Otpor |
| Otranto | Otrantosundet |
| OTRS | OTRS |
| Ottaviano Nonni | Ottaviano Mascherino |
| Ottawa | Ottawa |
| Ottawa County | Ottawa County |
| Ottawa River | Ottawa |
| Ottawa Senators | Ottawa Senators |
| Ottawa Treaty | Ottawafördraget |
| otter | utter |
| Otter Civet | Utterpalmmård |
| Otterup municipality | Otterup kommun |
| Otto | Otto |
| Otto Barić | Otto Baric |
| Otto Bauer | Otto Bauer |
| Otto Binswanger | Otto Binswanger |
| Otto cycle | Ottomotor |
| Otto Diels | Otto Diels |
| Otto Dix | Otto Dix |
| Otto Frank | Otto Frank |
| Otto Fritz Meyerhof | Otto Meyerhof |
| Otto Grimlund | Otto Grimlund |
| Otto Hahn | Otto Hahn |
| Otto Heinrich Warburg | Otto Warburg |
| Otto Hölder | Otto Hölder |
| Otto I | Otto I |
| Otto I of Guelders | Otto I |
| Otto I of Nassau | Otto I |
| Otto Klemperer | Otto Klemperer |
| Otto Kuntze | Otto Kuntze |
| Otto Lilienthal | Otto Lilienthal |
| Otto Mann | Otto Mann |
| Otto Mueller | Otto Mueller |
| Otto Nerz | Otto Nerz |
| Otto Nordenskiöld | Otto Nordenskjöld |
| Otto of Bavaria | Otto I av Bayern |
| Otto of Freising | Magda Goebbels |
| Otto of Greece | Otto I av Grekland |
| Otto of Savoy | Otto |
| Otto Preminger | Otto Preminger |
| Otto Rehhagel | Otto Rehhagel |
| Otto Robert Frisch | Otto Robert Frisch |
| Otto Schott | Otto Schott |
| Otto Skorzeny | Otto Skorzeny |
| Otto Stern | Otto Stern |
| Otto Vellingk | Otto Vellingk |
| Otto Ville Kuusinen | Otto Ville Kuusinen |
| Otto von Bismarck | Otto von Bismarck |
| Otto von Bohtlingk | Otto von Böhtlingk |
| Otto von Guericke | Otto von Guericke |
| Otto von Guericke University of Magdeburg | Otto-von-Guericke-universitetet |
| Otto von Habsburg | Otto von Habsburg |
| Otto Wagner | Otto Wagner |
| Otto Wallach | Otto Wallach |
| Otto Weininger | Otto Weininger |
| Otto Wilhelm Hermann von Abich | Otto Wilhelm Hermann von Abich |
| Otto Wilhelm Königsmarck | Otto Wilhelm Königsmarck |
| Otto Wilhelm von Struve | Otto Wilhelm von Struve |
| Ottokar I of Bohemia | Ottokar I av Böhmen |
| Ottokar III of Styria | Ottokar III |
| ottoman | ottoman |
| Ottoman Dynasty | Osmanska dynastin |
| Ottoman Empire | Osmanska riket |
| Ottoman Greece | Grekland |
| Ottoman Turkish language | Osmanska |
| Ottoman Turks | Osmaner |
| Ottorino Respighi | Ottorino Respighi |
| Otwock | Otwock |
| Ouadane | Ouadane |
| Ouaddai Empire | Wadai |
| Ouaddai Kingdom | Wadai |
| Ouaddaï Prefecture | Wadai |
| Ouaddaï Region | Wadai |
| Ouagadougou | Ouagadougou |
| Oualata | Oualata |
| Ouarzazate | Ouarzazate |
| oubliette | fängelsehåla |
| ouch | aj |
| Oud | Oud |
| Oude Kerk | Urkristendom |
| Oudenaarde | Oudenaarde |
| Oued Ed-Dahab-Lagouira | Oued Ed-Dahab-Lagouira |
| Ouest Department | Väster |
| Ouezzane | Ouezzane |
| ought | skall |
| ought to | måste |
| Ouidah | Ouidah |
| Oujda | Oujda |
| Oulainen | Oulais |
| Oulanka National Park | Oulanka nationalpark |
| Oulens-sous-Echallens | Oulens-sous-Echallens |
| Oulens-sur-Lucens | Oulens-sur-Lucens |
| Oulton Park | Oulton Park Circuit |
| Oulu | Uleåborg |
| Oulu Airport | Uleåborgs flygplats |
| Oulu Castle | Uleåborgs slott |
| Oulu Cathedral | Uleåborgs domkyrka |
| Oulu Province | Uleåborgs län |
| Oulu railway station | Uleåborgs järnvägsstation |
| Oulujoki | Ule älv |
| Oulujärvi | Ule träsk |
| Oulun Luistinseura | Oulun Luistinseura |
| Oulun Palloseura | Oulun Palloseura |
| Oulunsalo | Uleåsalo |
| ounce | uns |
