- MBWENI WOMEN GROUP
- MCHANGANI WARD DEVELOPMENT SOCIETY
- MCHICHIRA SHANGANI ASSOCIATION
- MEDICAL MISSIONARIES LIFESTYLE CENTRE EAST AFRICA
- Memba
- Mikunguni Youth Development Organization
- Misali Island Conservation Association (MICA)
- MISSION TO DISADVANTAGED PERSONS TANZANIA LIMITED
- MISUNGWI YOUTH PLATFORM
- MJUMUIKO WA JUMUIYA ZA KIJAMII ZANZIBAR