Lista Ong-urilor din Iasi
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Observator Urban Iasi | Iasi | Paun |
| Asociatia Ocrotirea | Iasi | Iasi |
| Asociatia Ocrotiti Familia | Iasi | Iasi |
| Asociatia Oftalmologica Eye Care | Iasi | Iasi |
| Asociatia Oftalmologica Sf. Maria | Iasi | Iasi |
| Asociatia Old School Motorsport | Iasi | Iasi |
| Asociatia Oldavia Cars Club | Iasi | Iasi |
| Asociatia Olint | Iasi | Cauesti |
| Asociatia Oltea Doamna | Iasi | Iasi |
| Asociatia Om Bun | Iasi | Pascani |
| Asociatia Om Bun | Iasi | Iasi |
| Asociatia Om Nou Constiinta Noua | Iasi | Iasi |
| Asociatia Omega Tehnoton Iasi | Iasi | Iasi |
| Asociatia Oncomed Iasi | Iasi | Iasi |
| Asociatia One For Hope | Iasi | Iasi |
| Asociatia One For Hope | Iasi | Iasi |
| Asociatia Onesimos | Iasi | Iasi |
| Asociatia Onestitatea | Iasi | Iasi |
