Lista Ong-urilor din Arad
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Rosima | Arad | Arad |
| Asociatia Rossal Aradensis | Arad | Pecica |
| Asociatia Rotaract Cetate Arad | Arad | Arad |
| Asociatia Rotaract Club Arad | Arad | Arad |
| Asociatia Roze | Arad | Arad |
| Asociatia Rromilor Din Orasul Ineu Aroi | Arad | Ineu |
| Asociatia Rromilor Locali Vinga | Arad | Vinga |
| Asociatia Rural Gym Ads | Arad | Sicula |
| Asociatia Rurala Muresul Inferior Savarsin | Arad | Savarsin |
| Asociatia Ruralitate, Traditii Si Ecologie | Arad | Arad |
| Asociatia Rusu Raul | Arad | Pecica |
| Asociatia S.f.6020 | Arad | Arad |
| Asociatia S.o.s. Copiii Sintana | Arad | Santana |
| Asociatia S.o.s. Terra Nostra Arad | Arad | Arad |
| Asociatia S.v.m. Societatea Voluntarilor Montani | Arad | Arad |
| Asociatia Sa | Arad | Arad |
| Asociatia Sadhana Forest | Arad | Firiteaz |
| Asociatia Sailingpass Yachting Club | Arad | Arad |
| Asociatia Salariatilor Agromec Sa | Arad | Tarnova |
| Asociatia Salariatilor Agromec Sicula | Arad | Sicula |
