Lista Ong-urilor din Arad
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Maini Ocrotitoare | Arad | Arad |
| Asociatia Majestic | Arad | Arad |
| Asociatia Malinois Club Arad | Arad | Arad |
| Asociatia Malul Muresului Micalaca (ammm) | Arad | Arad |
| Asociatia Mama Elena 2000 | Arad | Sanpaul |
| Asociatia Mama Mereu In Inima Mea | Arad | Arad |
| Asociatia Mana | Arad | Arad |
| Asociatia Manastirea Sfintilor Ioan Andrei Si Gheorghe | Arad | Covasint |
| Asociatia Marc Si Persoanele Cu Spectru Autist | Arad | Maderat |
| Asociatia Maria Castelana Hilfe | Arad | Arad |
| Asociatia Maria Castelana Hilfe | Arad | Arad |
| Asociatia Maris | Arad | Arad |
| Asociatia Maroncelli | Arad | Chisineu Cris |
| Asociatia Mary Poppins Kindergarten 2010 | Arad | Arad |
| Asociatia Masjed Arad Asociatia Moscheea Arad | Arad | Arad |
| Asociatia Masterpiece | Arad | Macea |
| Asociatia Matrix | Arad | Arad |
| Asociatia Mau Si Hau | Arad | Vladimirescu |
| Asociatia Mediaart Fav | Arad | Arad |
| Asociatia Medicala Municipala Aradeana | Arad | Arad |
