| Local Government Unit of Peñablanca in Cagayan Province (LGU Peñablanca) | Other | Southeast Asia | Climate Services and Safety Nets |
| Local Initiatives for Biodiversity Research and Development (LIBIRD) | Non-governmental organization/Development organization | South Asia | Climate-Smart Technologies and Practices |
| Lok Chetna Manch (LCM) | Non-governmental organization/Development organization | South Asia | Climate Services and Safety Nets |
| London School of Economics and Political Science (LSE) | Academic Institution | | |
| Lower Limpopo Irrigation Scheme | Private Research Institution | | |
| Lucian Blaga University (ULBS) | Academic Institution | | Climate-Smart Technologies and Practices |
| M S Swaminathan Research Foundation (MSSRF) | National agricultural research and extension services | South Asia | Climate-Smart Technologies and Practices |
| Maharana Pratap University of Agriculture and Technology (MPUAT) | Academic Institution | South Asia | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Mahaweli Authority of Sri Lanka (MASL) | Government office/department | South Asia | Climate-Smart Technologies and Practices |
| Mahila Samakhya | Government office/department | South Asia | |
| Makerere University | Academic Institution | East Africa | Climate-Smart Technologies and Practices, Climate Services and Safety Nets, Gender and Social Inclusion |
| Malaysian Agricultural Research and Development Institute (MARDI) | National agricultural research and extension services | Southeast Asia | |
| Malian Association for Education and Development (AMED) | Government office/department | West Africa | |
| Managing Risk for Improved Livelihoods-Ethiopia (MARIL-Ethiopia) | Private Research Institution | East Africa | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Mancomunidad La Montañona | End users | Latin America | Climate-Smart Technologies and Practices |
| Manila Observatory | National agricultural research and extension services | Southeast Asia | Climate-Smart Technologies and Practices, Climate Services and Safety Nets |
| Maseno University | Academic Institution | East Africa | Climate Services and Safety Nets, Low Emissions Development |
| Matopos Research Institute (MRI) | National agricultural research and extension services | | Climate-Smart Technologies and Practices |
| Mbeya Agricultural Research and Training Institute | National agricultural research and extension services | East Africa | Climate-Smart Technologies and Practices |
| McGill University | Academic Institution | | Low Emissions Development |
| McKnight Foundation | Donors | | |
| MEA Fertilizer | Regional Organization | East Africa | |
| Media for education and development (MEDIAE) | Other | East Africa | |
| Mekelle University | Academic Institution | East Africa | Climate-Smart Technologies and Practices |
| Mekong River Commission (MRC) | Non-governmental organization/Development organization | Southeast Asia | |
