- Nancy Memorial Foundation
- NANYAMBA TRADITIONAL CULTURAL GROUP
- NANYUMBU NON-GOVERNMENTAL ORGANISATIONS NETWORK
- NANYUMBU YOUTH DEVELOPMENT NETWORK
- Nassa Brotherhood Society for the Aged
- NASUA VIJANA
- National Youth Information Centre
- NATIONAL CENTRE FOR LEGAL STUDIES AND ASSISTANCE ORGANIZATION
- national interim kps harm reduction task force
- national network of Tanzania women with HIV/AIDS (NETWO)