- WAJASILIAMALI DISABLED GROUP
- Wake Up Youth Organization
- wakereketwa wa kuzuia maambukizi ya ukimwi na kuhifadhi mazingira
- WAMATA
- Wanaharakati wa Elimu Mazingira na Afya (WEMA)
- WANAWAKE TUNAWEZA
- Wanyama Pori Foundation
- WAPSAM Community Foundation
- Water and Environmental Sanitation Projects Maintenance Organization
- Water Relief and Environmental Conservation (WRECO)