Lista Ong-urilor din Constanta
| Denumire | Județ | Localitate ▲ ▼ |
| Fundatia Renasterea Constanta | Constanta | Constanta |
| Fundatia Revolutionarilor Tomis 22 | Constanta | Constanta |
| Fundatia Rhm Ro | Constanta | Constanta |
| Fundatia Rhm Ro | Constanta | Constanta |
| Fundatia Romana Pentru Bolile Lizozomale | Constanta | Constanta |
| Fundatia Ronomar | Constanta | Constanta |
| Fundatia Rotary Club | Constanta | Constanta |
| Fundatia S.o.s. Copiii Strazii 2002 | Constanta | Constanta |
| Fundatia Safe Haven | Constanta | Constanta |
| Fundatia Salvador | Constanta | Constanta |
| Fundatia Salvati Sanatatea | Constanta | Constanta |
| Fundatia Salvati Viata | Constanta | Constanta |
| Fundatia Samariteanu | Constanta | Constanta |
| Fundatia Sammarina | Constanta | Constanta |
| Fundatia Sanse Egale | Constanta | Fantanele |
| Fundatia Saturn | Constanta | Constanta |
| Fundatia Scoala Portuara | Constanta | Constanta |
| Fundatia Scoala Romana De Afaceri A Camerelor De Comert Si Ind. | Constanta | Constanta |
| Fundatia Secolul Xxi Constanta | Constanta | Constanta |
| Fundatia Severin Sabin Ivan | Constanta | Constanta |
