- Zanzibar Scraps and Environment Association
- ZANZIBAR SOCIAL IMPROVEMENT CHARITABLE COMPANY
- ZANZIBAR SOCIETY FOR SUSTAINABLE ENVIRONMENT
- ZANZIBAR SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS (ZSPCA)
- ZANZIBAR SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS (ZSPCA)
- Zanzibar Stone Town Heritage Society
- ZANZIBAR STUDENT ACADEMIC CENTER
- ZANZIBAR TEACHERS' UNION
- ZANZIBAR WOMEN CORPORATION
- Zanzibar Writers Initiative [ZAWI]