Lista Ong-urilor din Constanta
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Barza Viezure Manz | Constanta | 2 Mai |
| Asociatia Baschet Club Athletic Constanta | Constanta | Constanta |
| Asociatia Baschet Club Blue Sharks Constanta | Constanta | Constanta |
| Asociatia Baschet Club Delfinul | Constanta | Constanta |
| Asociatia Bazar Prichindel | Constanta | Mangalia |
| Asociatia Beehave | Constanta | Constanta |
| Asociatia Beehave | Constanta | Constanta |
| Asociatia Benevolus | Constanta | Constanta |
| Asociatia Benny | Constanta | Constanta |
| Asociatia Best Events | Constanta | Mamaia |
| Asociatia Beznea Florin | Constanta | Constanta |
| Asociatia Bianca Roxana | Constanta | Tuzla |
| Asociatia Bib Autism | Constanta | Costinesti |
| Asociatia Biblica Independenta Descoperirea Adevarului | Constanta | Constanta |
| Asociatia Biblioteca Bunicului | Constanta | Constanta |
| Asociatia Bibliovoluntarii | Constanta | Medgidia |
| Asociatia Birlik | Constanta | Techirghiol |
| Asociatia Birth & Building Center | Constanta | Constanta |
| Asociatia Black Sea Coastal Center | Constanta | Constanta |
| Asociatia Black Sea Equilibrium | Constanta | Constanta |
