- MASASI SPORTS AND FARMING ASSOCIATION
- Matengo Development plans
- Matumaini Environment Trust
- MAZINGIRA COMMUNITY DEVELOPMENT FORUM
- MCHICHIRA SHANGANI ASSOCIATION
- MiDA Tanzania
- MILELE FOREST AND WILDLIFE CONSERVATION ASSOCIATION (MFAWICA)
- Misali Island Conservation Association (MICA)
- Morogoro Development Organization (MODEO)
- MOVEMENT OF POLICY INVOLVEMENT