| International Water Management Institute (IWMI) | CGIAR Center | South Asia | Climate-Smart Technologies and Practices, Low Emissions Development, Climate Services and Safety Nets |
| IPCC Working Group 3 (IPCC-WG3) | Other | | |
| Irish Aid | Donors | | Climate-Smart Technologies and Practices |
| Irrigation and Power Department, Punjab | Government office/department | South Asia | |
| Jahangirnagar University | Academic Institution | South Asia | |
| James Hutton Institute | Advanced Research Institution | | |
| Japan international research center for agricultural sciences (JIRCAS) | Advanced Research Institution | | Low Emissions Development |
| Joint Experiment for Crop Assessment and Monitoring (JECAM) | Research network | | Low Emissions Development |
| Joint Research Centre (JRC) | Other | | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Jomo Kenyatta University of Agriculture and Technology (jkuat) | Academic Institution | East Africa | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Jordan University of Science and Technology (JUST) | Academic Institution | | Climate-Smart Technologies and Practices |
| Justus Liebig University Giessen (JLU) | Academic Institution | | Low Emissions Development |
| Kansas State University (KSU) | Academic Institution | | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Kapchorwa Landcare innovation Platforms (KADLACC) | National agricultural research and extension services | East Africa | Climate Services and Safety Nets |
| Karlsruher Institut für Technologie (KIT) | Academic Institution | | Low Emissions Development |
| Karnataka State Department of Agriculture (KSDA) | Government office/department | South Asia | Climate-Smart Technologies and Practices |
| Kashkararya Research Institute of Grain Breeding and Seed Production of Cereal Crops (KRIGBSPCC) | National agricultural research and extension services | | Climate Services and Safety Nets |
| Kathmandu University (KU) | Academic Institution | South Asia | |
| Katholieke Universiteit Leuven | Academic Institution | | Climate-Smart Technologies and Practices |
| Kenchic Lmited | Regional Organization | East Africa | |
| Kenya Agricultural Research Institute (KARI) | National agricultural research and extension services | East Africa | Climate-Smart Technologies and Practices, Climate Services and Safety Nets, Low Emissions Development |
| Kenya Forest Research Institute (KEFRI) | Advanced Research Institution | East Africa | Climate-Smart Technologies and Practices |
| Kenya Meteorological Department (KMD) | Government office/department | East Africa | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Kenya Network for Dissemination of Agricultural Technologies (KENDAT) | Non-governmental organization/Development organization | East Africa | Climate-Smart Technologies and Practices |
| Kenya Plant Health Inspectorate Services (Kephis) | National agricultural research and extension services | East Africa | Climate Services and Safety Nets |