- CHUMBUNI YOUTH DEVELOPMENT ORGANIZATION
- Citizens Global Platform Tanzania
- CITY SPORTS ACADEMY
- COAST REGION POVERTY REDUCATION INITIATIVES (COREPRI)
- COBIHESA Trust Fund
- cocodo
- COMMUNITY ACTION FOR DEVELOPMENT ECONOMIC ENVIRONMENTAL CONSERVATION TRUST
- Community Action for Development Economic Environmental Conservation Trust
- Community Active in Development Association (CADA)
- COMMUNITY ANIMATION CENTRE OF TANZANIA