- BAHA PNG
- see PNG Business Coalition on HIV/AIDS (2006 - ) - Bangladesh, People's Republic of Bangladesh
- Bangladesh, People's Republic of, National AIDS Committee (1985 - )
- BCAS
- see Business Coalition on AIDS in Singapore (2002 - ) - BDAC
- see Brunei Darussalam AIDS Council (2000 - ) - BDS
- see Blue Diamond Society - Behavioural surveillance
- Beijing AIZHIXING Institute of Health Education
- Bhutan, Kingdom of Bhutan
- Bhutan, Kingdom of Bhutan, National HIV/AIDS and STD Control Programme (1988 - )
- Blood safety
- Blood testing
- see Testing, notification and reporting - Blue Diamond Society
- Brunei, Negara Brunei Darussalam
- Brunei Darussalam AIDS Council (2000 - )
- Burma
- see Myanmar - Business Against HIV/AIDS PNG
- see PNG Business Coalition on HIV/AIDS (2006 - ) - Business Coalition on AIDS in Singapore (2002 - )