Non-Government or Civil Society Organisations
- GAA
- see Global AIDS Alliance (2001 - ) - GAYa NUSANTARA
- GBC
- see Global Business Coalition on HIV/AIDS, Tuberculosis and Malaria (1997 - ) - GCM
- see Global Campaign for Microbicides (1998 - ) - GCWA
- see Global Coalition on Women and AIDS (2004 - ) - Global AIDS Alliance (2001 - )
- Global Business Coalition on HIV/AIDS, Tuberculosis and Malaria (1997 - )
- Global Campaign for Microbicides (1998 - )
- Global Coalition on Women and AIDS (2004 - )
- The Global Fund to Fight AIDS, Tuberculosis and Malaria (2001 - )
- Global Health Council, Inc. (1972 - )
- Global HIV Prevention Working Group (2002 - )
- Global Network of People Living with HIV/AIDS
- Global Youth Coalition on HIV/AIDS (2004 - )
- GNP+
- see Global Network of People Living with HIV/AIDS - GUAHAN Project
- Guam HIV/AIDS Network
- see GUAHAN Project - Guttmacher Institute
- see Alan Guttmacher Institute (1968 - )