- Wadada Centre for Solution Focused Approach
- Walio Katika Mapambano ya Aids Tanzania Tawi la Sengerema
- Watoto Network
- WIDOWS AND ORPHANED DEVELOPMENT ORGANIZATION
- WOMEN MEDIA ORGANIZATION (WMO)
- Women`s Infinitive Natural Child Enrichment
- Youth association for change network
- YOUTH CAPACITY BUILDING INITIATIVE
- YOUTH CRIME WATCH TANZANIA