Lista Ong-urilor din Prahova
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Biomag | Prahova | Campina |
| Asociatia Biroul De Consiliere Pentru Cetateni Ploiesti | Prahova | Ploiesti |
| Asociatia Black Storm | Prahova | Ploiesti |
| Asociatia Blacky Si Tafarel | Prahova | Bucov |
| Asociatia Blocului H4 | Prahova | Sinaia |
| Asociatia Blue Circles | Prahova | Gornet |
| Asociatia Blue Learn | Prahova | Baicoi |
| Asociatia Bobocel Catina Floresti | Prahova | Floresti |
| Asociatia Bogdan Nicolae | Prahova | Campina |
| Asociatia Bolnavilor De Cancer Filiala Prahova | Prahova | Ploiesti |
| Asociatia Brain Research | Prahova | Ploiesti |
| Asociatia Brebeanu Romulus | Prahova | Campina |
| Asociatia Brigada Fetelor | Prahova | Ploiesti |
| Asociatia Bucuria Copiilor Lipanesti | Prahova | Lipanesti |
| Asociatia Bucuria De A Invinge | Prahova | Campina |
| Asociatia Bucuria De A Invinge | Prahova | Campina |
| Asociatia Bucurie Pentru Toti | Prahova | Baicoi |
| Asociatia Bucurii Pentru David | Prahova | Gageni |
| Asociatia Building Better Futures | Prahova | Berceni |
| Asociatia Bujor De Munte | Prahova | Busteni |
