| Rwanda Agriculture Board (RAB) | National agricultural research and extension services | | Climate-Smart Technologies and Practices |
| Rwanda National Genebank (RNG) | National agricultural research and extension services | | Climate-Smart Technologies and Practices |
| Safaricom | Other | East Africa | |
| Sahel Eco | Non-governmental organization/Development organization | West Africa | |
| SAI Platform (SAI) | Other | | Low Emissions Development |
| Saint Augustine University (SAUT) | Academic Institution | East Africa | Climate-Smart Technologies and Practices |
| Saki Bihar | Non-governmental organization/Development organization | South Asia | Climate-Smart Technologies and Practices |
| Salvadoran Research Program on Development and Environment (PRISMA) | Advanced Research Institution | Latin America | Low Emissions Development |
| Sarawak Institute of Agriculture Scientists (SIAS) | National agricultural research and extension services | West Africa | Climate-Smart Technologies and Practices |
| Savannah Agricultural Research Institute (SARI) | National agricultural research and extension services | West Africa | Low Emissions Development |
| Scotland’s Rural College (SRUC) | Advanced Research Institution | | Low Emissions Development |
| Scottish Agricultural College (SAC) | Academic Institution | | Climate-Smart Technologies and Practices, Low Emissions Development |
| Scuola Superiore S. Anna | Academic Institution | | Climate-Smart Technologies and Practices |
| Se servir de la saison sèche en Savane et au Sahel (SIX-S) | Non-governmental organization/Development organization | West Africa | |
| Secretaría de Agricultura y Ganadería de Honduras (SAG) | Government office/department | Latin America | Climate Services and Safety Nets |
| Sécretariat Permament de la Coordination des Politiques Sectorielles Agricoles (SP/CPSA) | Government office/department | West Africa | Low Emissions Development |
| Secretariat Permanent Commission Nationale de Gestion des Ressources Phytogénétiques (SP/CONAGREP) | Government office/department | West Africa | Climate-Smart Technologies and Practices |
| Selian Agricultural Research Institute (SARI) | National agricultural research and extension services | East Africa | Climate-Smart Technologies and Practices, Climate Services and Safety Nets, Low Emissions Development |
| Send a Cow | Non-governmental organization/Development organization | East Africa | |
| Servicio Nacional de Inspección y Certificación de Semillas (SNICS) | National agricultural research and extension services | Latin America | Climate-Smart Technologies and Practices |
| Servicio Nacional de Meteorologia e Hidrología (SENAMHI) | Government office/department | Latin America | Climate Services and Safety Nets |
| Shohada Community | End users | | |
| Sierra Leone Agricultural Resarch Institute (SLARI) | National agricultural research and extension services | West Africa | Climate-Smart Technologies and Practices, Low Emissions Development |
| Sirinka Agricultural Research Centre (SARC) | National agricultural research and extension services | East Africa | Climate-Smart Technologies and Practices |
| Société Malagasy d'Etudes et d'Applications Hydrauliques (SOMEAH) | Non-governmental organization/Development organization | | |
