| Badia Rangelands Development Project | National agricultural research and extension services | | Climate-Smart Technologies and Practices |
| BAIF Development Research Foundation | Non-governmental organization/Development organization | South Asia | Priorities and Policies for CSA |
| Banana Asia-Pacific Network (BAPNET) | Research network | | Climate-Smart Technologies and Practices |
| Banana Research and Development Network for Latin America and the Caribbean (MUSALAC) | Research network | Latin America | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Banana Research Network for Eastern and Southern Africa (BARNESA) | Research network | | Climate-Smart Technologies and Practices |
| Banana research networks | Regional Organization | | |
| Bangalore University | Academic Institution | South Asia | Climate-Smart Technologies and Practices |
| Bangladesh Agricultural Research Council (BARC) | National agricultural research and extension services | South Asia | Priorities and Policies for CSA |
| Bangladesh Agricultural Research Institute (BARI) | National agricultural research and extension services | South Asia | Climate-Smart Technologies and Practices, Climate Services and Safety Nets, Low Emissions Development |
| Bangladesh Centre for Advanced Studies (BCAS) | Non-governmental organization/Development organization | | Priorities and Policies for CSA |
| Baoshan Forestry Department | Government office/department | | Climate Services and Safety Nets |
| Basfood | Private Research Institution | | Climate Services and Safety Nets |
| Basque Centre for Climate Change (BC3) | National agricultural research and extension services | | |
| Bay of Bengal Large Marine Ecoystem Project (BoBLME) | Regional Organization | Southeast Asia | Climate-Smart Technologies and Practices |
| Bayer Crop Science | Private Research Institution | | |
| Bhabha Atomic Research Centre (BARC) | National agricultural research and extension services | South Asia | |
| Bharatiya Agro Industries Foundation (BAIF) | Other | South Asia | Climate-Smart Technologies and Practices |
| Bihar Agriculutre University (BAU) | Academic Institution | South Asia | Low Emissions Development |
| Bill & Melinda Gates Foundation (BMGF) | Donors | | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Birla Institute of Technology (BIT) | Academic Institution | South Asia | Climate Services and Safety Nets |
| Bogor Agriculture University | Academic Institution | Southeast Asia | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Borlaug Institute for South Asia (BISA) | Regional Organization | South Asia | Climate-Smart Technologies and Practices, Low Emissions Development |
| BRAC (BRAC) | Non-governmental organization/Development organization | South Asia | Priorities and Policies for CSA |
| Bunda College of Agriculture (BCA) | Academic Institution | | Climate-Smart Technologies and Practices |
| Bundesministerium für wirtschaftliche Zusammenarbeit und Entwicklung (BMZ) | Government office/department | | Climate-Smart Technologies and Practices |
