UNAIDS brings together in the AIDS response the efforts and resources of ten UN system organizations. The ten UNAIDS cosponsoring organizations are:
- Office of the United Nations High Commissioner for Refugees (UNHCR)
- United Nations Children's Fund (UNICEF)
- World Food Programme (WFP)
- United Nations Development Programme (UNDP)
- United Nations Population Fund (UNFPA)
- United Nations Office on Drugs and Crime (UNODC)
- International Labour Organization (ILO)
- United Nations Educational, Scientific and Cultural Organization (UNESCO)
- World Health Organization (WHO)
- World Bank
The Cosponsors and the UNAIDS Secretariat comprise the Committee of Cosponsoring Organizations, which meets annually.