- Coalition for Human Rights in the Gambia
- Coalition Non à l'Ape
- Coalition of African Lesbians
- Coalition of CSOs and Movements in Trinidad and Tobago
- Coasp
- CODESRIA
- Codou Bop
- Colette Braeckman
- Colette Braekman
- Colette Lespinasse
- Colin Asher
- Colin Crouch
- Colin Rajah
- Colin Todhunter
- Collectif africain
- Collectif Tany
- Colleen Lowe Morna
- Collette Bareackman
- Collins Cheruiyot
- Collins Mtika
- Colonel (Ret.) Ann Wright
- Colorofchange.org
- Comfort Ero
- Comic Relief
- Comitato per la solidarietà con i popoli del nord Africa in rivolta
- Comité des Sans Papiers 59
- Comité ouest africain des semences paysannes
- Commercial Stevedoring Agricultural & Allied Workers Union
- Commission nationale des droits de l'homme du Kenya
- Committee for Reconciliation and Truth at HBCUs