| Oulainen | Oulches | Oulches-la-Vallée-Foulon |
| Oulchy-la-Ville | Oulchy-le-Château | Ould Biram |
| Ould M'Bonny | Ould Yengé | Ouldja Boulballout |
| Ouled | Ouled Aïssa | Ouled Aïssa (Adrar) |
| Ouled Aïssa (Boumerdès) | Ouled Abbes | Ouled Addi Guebala |
| Ouled Addouane | Ouled Ahmed Tammi | Ouled Ahmed Timmi |
| Ouled Aiche | Ouled Aissa, Adrar | Ouled Aissa, Boumerdès |
| Ouled Ammar | Ouled Antar | Ouled Aouf |
| Ouled Atia | Ouled Attia | Ouled Ben Abdelkader |
| Ouled Bessem | Ouled Bouachra | Ouled Boudjemaa |
| Ouled Boughalem | Ouled Brahem | Ouled Brahim |
| Ouled Brahim (Bordj Bou Arreridj) | Ouled Brahim (Médéa) | Ouled Brahim (Saïda) |
| Ouled Chamekh | Ouled Chebel | Ouled Dahmane |
| Ouled Deide | Ouled Derradj | Ouled Djellal |
| Ouled Driss | Ouled El Alleug | Ouled El Djemaa |
| Ouled Fadel | Ouled Farès | Ouled Fares |
| Ouled Fayet | Ouled Gacem | Ouled Hamla |
| Ouled Harkat | Ouled Hbaba | Ouled Hedadj |
| Ouled Hellal | Ouled Khaled | Ouled Khalouf |
| Ouled Khoudir | Ouled Kihal | Ouled Maallah |
| Ouled Maaref | Ouled Madhi | Ouled Malah |
| Ouled Mansour | Ouled Mimoun | Ouled Moumen |
| Ouled Moussa | Ouled Rabah | Ouled Rached |
| Ouled Rahma | Ouled Rahmoun | Ouled Rahmoune |
| Ouled Rechache | Ouled Riyah | Ouled Saïd |
| Ouled Sabor | Ouled Said | Ouled Sassi |
| Ouled Selama | Ouled Sellam | Ouled Si Ahmed |
| Ouled Si Slimane | Ouled Sidi Brahim | Ouled Sidi Brahim (Bordj Bou Arreridj) |
| Ouled Sidi Brahim (M'Sila) | Ouled Sidi Mihoub | Ouled Slama |
| Ouled Slimane | Ouled Tebben | Ouled Yaïch |
| Ouled Yaïch (Blida) | Ouled Yahia Khedrouche | Ouled Yaich |
| Ouled Zouaï | Ouled-Moussa | Oulhaça El Gheraba |
| Oulins | Oulipo | Oulles |
| Oullins | Oulmes | Oulon |
| Ouloumboni | Oultem | Oultene |
| Oulu | Oulu (provincie) | Oulun lääni |
| Oulunsalo | Oulx | Oum Ali |
| Oum Avnadech | Oum Drou | Oum El Adhaim |
| Oum el Assel | Oum El Assel | Oum El Bouaghi |
| Oum El Djalil | Oum el-Bouaghi | Oum Hadjer |
| Oum Laadham | Oum Lahyad | Oum Toub |
| Oum Touyour | Oumache | Ouman |
| Oumé | Oundle | Ounkazi |
| Oupeye | Oupia | Oupoyo |
| Our | Our (dezambiguizare) | Our Airline |
| Our Farewell | Our Final Invention | Our Political Nature |
| Our Time (film) | Our Town | Ourafane |
| Ouran High School Host Club | Ouranopoli | Ouranosaurus |
| Ouranosaurus nigeriensis | Ouray County | Ouray County, Colorado |
| Ourém | Ourém (Pará) | Ourches |
| Ourches-sur-Meuse | Ourde | Ourdis-Cotdoussan |
| Ourdon | Ourea | Ourem |
| Ourem (Para) | Ourense | Ouriçangas |
| Ouriçangas, Bahia | Ouricangas | Ouricuri |
| Ourilândia do Norte | Ourinhos | Ourizona |
| Ourizona, Paraná | Ourlal | Ourlala |
| Ourmas | Ourmes | Ourno |
| Ouro | Ouro Branco | Ouro Branco (Alagoas) |
| Ouro Branco, Alagoas | Ouro Fino | Ouro Fino, Minas Gerais |
| Ouro Gueladjo | Ouro Preto | Ouro Preto do Oeste |
| Ouro Preto, Minas Gerais | Ouro Velho | Ouro Verde |
| Ouro Verde de Goias | Ouro Verde de Goiás | Ouro Verde de Minas |
| Ouro Verde de Minas, Minas Gerais | Ouro Verde do Oeste | Ouro Verde do Oeste, Paraná |
| Ouroboros | Ouroboros (recirculator) | Ouroeste |
| Ouroeste, São Paulo | Ourolândia | Ourolândia, Bahia |
| Ourouër | Ourouer-les-Bourdelins | Ouroux |
| Ouroux-en-Morvan | Ouroux-sous-le-Bois-Sainte-Marie | Ouroux-sur-Saône |
| Oursbelille | Oursel-Maison | Ourthe |
| Ourthe (departament) | Ourton | Ourville-en-Caux |
| Ousia | Ousmane Dembélé | Ousmane N'Doye |
| Ousmane Sembène | Ousmane Sembene | Ousmane Viera |
| Oussama Assaidi | Oussama ben Laden | Ousse |
| Ousse (Pyrénées-Atlantiques) | Ousse-Suzan | Ousson-sur-Loire |
| Oussoy-en-Gâtinais | Oust (Ariège) | Oust, Ariège |
| Oustalet (autor) | Oustalet (biolog) | Ousté |
| Out (fotbal) | Out from the Dark | Out in the Dark |
| Out la fotbal | Out of Africa (film) | Out of Control |
| Out Of Control | Out of Our Heads | Out of Season |
| Out of Sight | Out of the Blue | Out of the Deeps |
| Out of the Furnace | Out of the Past | Out of the Silent Planet |
| Out of the Unknown | Out of the Woods (cântec) | Outagamie County |
| Outagamie County, Wisconsin | Outapi | Outarville |
| Outbreak (film) | Outcast (2014 film) | Outfit7 |
| Outfit7 News United Kingdom | Outines | Outjo |
| Outland (film) | Outlander (serial TV) | Outlander (TV series) |
| Outlandish | Outlast | Outlaws |
| Outlaws (Lost) | Outlawz | Outlook |
| Outlook Express | Outlook express | Outlook pe web |
| Outokumpu, Finlanda | Outpost (2008 film) | Outpost (film) |
| Outrageous | Outrageously Disco | Outreau |
| Outrebois | Outremécourt | Outrepont |
| Outriaz | Outside / Himmelverbot | Outside the Wire |
| Outsider (miniserie) | Outsides | Outsourcing |
| Outsourcing online | Outta This World | Ouve-Wirquin |
| Ouveillan | Ouvidor | Ouville |
| Ouville-l'Abbaye | Ouville-la-Bien-Tournée | Ouville-la-Rivière |
| Ouvrouer-les-Champs | Ouyoun El Assafir | Ouzellaguen |
| Ouzera | Ouzilly | Ouzouer-des-Champs |
| Ouzouer-le-Doyen | Ouzouer-le-Marché | Ouzouer-sous-Bellegarde |
| Ouzouer-sur-Loire | Ouzouer-sur-Trézée | Ouzous |
