Lista Ong-urilor din Bacau
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Bemaris | Bacau | Furnicari |
| Asociatia Beta Ilinca Maria | Bacau | Parjol |
| Asociatia Betania Afj | Bacau | Bacau |
| Asociatia Betleemul Stefanian | Bacau | Onesti |
| Asociatia Betuel Afj | Bacau | Stefan Voda |
| Asociatia Big Heart | Bacau | Letea Veche |
| Asociatia Bijutierilor Bacau | Bacau | Bacau |
| Asociatia Biker 4 Biker Bacau | Bacau | Bacau |
| Asociatia Binecuvintati Copii Afj | Bacau | Onesti |
| Asociatia Biomold Afj | Bacau | Bacau |
| Asociatia Bistrita P.a.s. Afj | Bacau | Bacau |
| Asociatia Bleky Afj | Bacau | Bacau |
| Asociatia Bliss Afj | Bacau | Bacau |
| Asociatia Bovina Solonteana Afj | Bacau | Sarata |
| Asociatia Box Club Perla Moldovei Afj | Bacau | Slanic Moldova |
| Asociatia Bradul Asau Afj | Bacau | Asau |
| Asociatia Bradul Pas Afj | Bacau | Comanesti |
| Asociatia Braul Pamantului | Bacau | Brusturoasa |
| Asociatia Brave Minds | Bacau | Bacau |
