- REMEMBER THE POOR ORGANISATION
- RESA INTERNATIONAL
- RESCUE MAZINGIRA ORGANIZATION
- Return Home Development Organization(REDO)
- RINDIRO Maxime
- RISE NEW VISION
- RUKWA LEGAL AID ORGANIZATION
- Rural Information Service Organization
- RURAL YOUTH DEVELOPMENT INITIATIVES AND RESEARCH INSTITUTE (RYDRI)
- Ruvuma Women Research Education Foundation