| Dirección de Ciencia y Tecnología Agropecuaria (DICTA) | National agricultural research and extension services | Latin America | Climate-Smart Technologies and Practices |
| Direction de la Météorologie Nationale | Government office/department | West Africa | |
| Direction nationale de la météorologie (Burkina Faso) | National agricultural research and extension services | West Africa | Climate Services and Safety Nets |
| Direction Nationale des Eaux et Forêts (DNEF) | Government office/department | West Africa | Climate-Smart Technologies and Practices, Low Emissions Development |
| Direction Nationale des Forêts et Faunes (DNFF) | Government office/department | West Africa | Climate-Smart Technologies and Practices |
| Directorate of Maize Research (DMR) | National agricultural research and extension services | South Asia | Low Emissions Development |
| DIVERSITAS | Advanced Research Institution | | Low Emissions Development |
| DLVPlant | Private Research Institution | | Climate Services and Safety Nets |
| DNDC Applications Research and Training (DNDC-ART) | Private Research Institution | | |
| Drought Tolerant Maize for Africa (DTMA) | Donors | East Africa | Climate-Smart Technologies and Practices |
| Dry Grain Pulses Collaborative Research Support Program (DGP CRSP) | Advanced Research Institution | | Climate-Smart Technologies and Practices |
| Duke University | Academic Institution | | Low Emissions Development |
| Earth System Governance | Research network | | |
| East Africa Dairy Development (EADD) | Non-governmental organization/Development organization | East Africa | Low Emissions Development |
| East African Breweries Limited (EABL) | Regional Organization | East Africa | |
| East African Community (EAC) | Regional Organization | East Africa | |
| Eastern Africa Farmers Federation (EAFF) | Regional Organization | East Africa | Climate-Smart Technologies and Practices |
| EcoAgriculture Partners | Non-governmental organization/Development organization | | Low Emissions Development |
| EcoFYS | Private Research Institution | | Low Emissions Development |
| EcoHabitus | Non-governmental organization/Development organization | Latin America | |
| Economic Community of West African States (ECOWAS) | Regional Organization | West Africa | |
| Ecosystem Services for Poverty Alleviation (ESPA) | Non-governmental organization/Development organization | | |
| Ecosystems Research and Development Bureau (ERDB) | National agricultural research and extension services | Southeast Asia | |
| Ecotrust | Non-governmental organization/Development organization | | Low Emissions Development |
| eeMausam Weather Risk Management Services Private LTD | Non-governmental organization/Development organization | South Asia | Climate Services and Safety Nets |
