Lista Ong-urilor din Bacau
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia H4p Afj | Bacau | Bacau |
| Asociatia Habitat For Humanity Comanesti Afj | Bacau | Comanesti |
| Asociatia Hai Sa | Bacau | Hemeius |
| Asociatia Haka Club Afj | Bacau | Bacau |
| Asociatia Handbal Club Comanesti Afj | Bacau | Comanesti |
| Asociatia Handbal Club Orizont Bacau Afj | Bacau | Bacau |
| Asociatia Handbal Pentru Viitor Bacau | Bacau | Bacau |
| Asociatia Handicapatilor Fizic Adjud Afj | Bacau | Onesti |
| Asociatia Happy Life Afj | Bacau | Bacau |
| Asociatia Happy Sport Festival Afj | Bacau | Bacau |
| Asociatia Haritina Afj | Bacau | Comanesti |
| Asociatia Harmonic Club | Bacau | Targu Ocna |
| Asociatia Heart Of The World Association | Bacau | Bacau |
| Asociatia Hedonys Afj | Bacau | Bacau |
| Asociatia Hefyo Afj | Bacau | Bacau |
| Asociatia Help 4 Paws Together Ajutam 4 Labute Impreuna | Bacau | Onesti |
| Asociatia Help Animals From Onesti | Bacau | Onesti |
| Asociatia Help Life Afj | Bacau | Bacau |
| Asociatia Help Romania Afj | Bacau | Bacau |
| Asociatia Help To Work Afj | Bacau | Faraoani |
