associations
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Organized Crime And Corruption Reporting Project | Site | 21 | 2.7 |
| Oriel College | Monument | 26 | 2.2 |
| Orient Xxi | Site | 2 | 11.9 |
| Orphans International | Organisation | 2 | 0.4 |
| Orpheus Chamber Orchestra | Organisation | 8 | 0.9 |
| Oser en Parler | Organisation | 1 | 0.6 |
| Osez le Féminisme ! | Organisation | 3 | 22.7 |
| Osisko en Lumière | Organisation | 1 | 0.0 |
| Osmothèque | Lieu | 6 | 5.1 |
| Ost-ausschuss Der Deutschen Wirtschaft | Organisation | 1 | 0.3 |
| Otani-ha | Organisation | 6 | 0.2 |
| Otis College Of Art And Design | Lieu | 6 | 0.4 |
| Ottawa-carleton District School Board | Organisation | 3 | 0.4 |
| Ottocium | Organisation | 6 | 0.0 |
| Otzar Hatorah | Organisation | 3 | 10.8 |
| Ouishare | Organisation | 3 | 7.8 |
| Oulanga Na Nyamba | Organisation | 1 | 0.2 |
| Our Republic | Organisation | 4 | 0.0 |
| Our Revolution | Organisation | 5 | 2.3 |
| Our World In Data | Organisation | 24 | 5.8 |
| Ourresearch | Organisation | 5 | 0.4 |
| Oustachis | Organisation | 57 | 96.5 |
| Out To Innovate | Organisation | 2 | 0.1 |
| Outrage! | Organisation | 7 | 0.9 |
| Outremangeurs Anonymes | Organisation | 11 | 3.6 |
| Ovd-info | Site | 12 | 0.6 |
| Overman Committee | Organisation | 6 | 1.0 |
| Overseas Press Club | Organisation | 6 | 0.1 |
| Ow2 | Organisation | 4 | 2.8 |
| Owasp | Organisation | 23 | 0.0 |
| Oxfam | Organisation | 40 | 24.6 |
| Oxfam - Magasins du Monde | Organisation | 1 | 0.2 |
| Oxfam France | Organisation | 1 | 43.7 |
| Oxfam en Belgique | Organisation | 2 | 3.1 |
| Oxfam-magasins du Monde | Organisation | 1 | 0.0 |
| Oxford Institute For Energy Studies | Organisation | 2 | 0.0 |
| Oxford University Newman Society | Organisation | 3 | 0.4 |
| Oya Kephale | Organisation | 2 | 0.0 |
| Pacific Union College | Lieu | 4 | 0.2 |
| Pacific Vapeur Club | Organisation | 1 | 17.8 |
| Packard Humanities Institute | Organisation | 6 | 0.6 |
| Pacte Gentiloni | Organisation | 9 | 0.0 |
| Pacte Mondial | Organisation | 21 | 51.3 |
| Pacte Vert Pour L'europe | Organisation | 34 | 47.4 |
| Pacte de San José de Flores | Organisation | 3 | 0.3 |
| Pagode Pho Lai | Bâtiment | 10 | 0.0 |
| Pain Pour le Prochain | Organisation | 3 | 1.3 |
| Palaeontological Association | Organisation | 3 | 0.0 |
| Palais de Justice (budapest) | Organisation | 3 | 0.0 |
| Palestine Association | Organisation | 5 | 0.4 |