| IUCN National Committee of the Netherlands Foundation | 1 | 1 | — |
| IUCN Pacific Office | 1 | 1 | — |
| IVORY FUNDATION | 1 | 1 | — |
| IWT | 1 | 1 | — |
| IYF | 1 | 1 | USD 200k |
| IZS - Istituto Zooprofilattico Sperimentale del Lazio e della Toscana | 1 | 1 | USD 240k |
| Izumi/ END Fund | 1 | 1 | — |
| Izumi/END Fund | 1 | 1 | — |
| J.P. Morgan | 1 | 1 | — |
| Jacobs Foundation | 1 | 1 | — |
| Jagclife Charitable | 1 | 1 | — |
| Jal Seva Charitable Foundation | 1 | 1 | USD 436k |
| Jamaica Strengthening Public Investment Management (PIM) System and Budget Processes | 1 | 1 | USD 2.53m |
| Jamaica-MICAF-Ministry of Industry, Commerce, Agriculture and Fisheries | 1 | 1 | USD 280k |
| James Tudor Foundation | 1 | 1 | — |
| Jan Egeland | 1 | 1 | USD 52k |
| Jan to March21 income | 1 | 1 | — |
| Japan - MOFA - Ministry of Foreign Affairs | 1 | 1 | USD 50k |
| Japan Association for Advancement of ILO Activities | 1 | 1 | USD 20k |
| Japan Dental Association | 1 | 1 | USD 15k |
| Japan Liaison of Oriental Medicine (JLOM) | 1 | 1 | USD 20k |
| Japan Ministry of Environment (MOEJ) | 1 | 1 | — |
| Japan Private Kindergarten Association | 1 | 1 | USD 73k |
| Japan-ASEAN Integration Fund-JAIF | 1 | 1 | USD 493k |
| Japanese Association of Psychiatric Hospitals | 1 | 1 | USD 10k |
| Japanese Embassy | 1 | 1 | — |
| JapanKR2 | 1 | 1 | — |
| Jefferies and Company | 1 | 1 | USD 3.00m |
| JEN Japanese Emergency NGO | 1 | 1 | — |
| Jephcott | 1 | 1 | — |
| Jersey Overseas Aid (JOA) | 1 | 1 | — |
| Jersey Overseas Aid Commission (JOA) | 1 | 1 | — |
| Jersey Oversees Aid Commission | 1 | 1 | — |
| Jerusalem School | 1 | 1 | — |
| Jiangyou Shuling Planting and animal husbandry Federation | 1 | 1 | — |
| JiCA | 1 | 1 | — |
| Jiva Ag Pte Ltd | 1 | 1 | USD 107k |
| Jobs Umbrella Multi Donor Trust Fund - Parallel Trust Fund of TF072322 | 1 | 1 | USD 225k |
| Joel Joffe Charitable Trust | 1 | 1 | — |
| Johanna Donk Grote Stichting | 1 | 1 | — |
| John & Virginia Sall | 1 | 1 | USD 1.10m |
| John Deere & Company | 1 | 1 | USD 100k |
| Join Hope Seeds Co., Ltd | 1 | 1 | USD 200k |
| Joint Peace Fund | 1 | 1 | — |
| Joint SDG Fund | 1 | 1 | — |
| Jomo Kenyatta University of Agriculture and Technology | 1 | 1 | USD 25k |
| JOOPITER | 1 | 1 | — |
| Jordan Emergency Services and Social Resilience Project Trust Fund | 1 | 1 | USD 64.94m |
| Jordan Ministry of Environment | 1 | 1 | — |
| Jordan Municipal Services and Social Resilience Multi Donor Trust Fund | 1 | 1 | USD 47.12m |
| Jordan RC | 1 | 1 | — |
| Jordan, Development and Employment Fund, Government and Employment Fund | 1 | 1 | — |
| Joseph Rowntree Charitable Trust | 1 | 1 | — |
| JP UN Women as AA | 1 | 1 | — |
| JPF James Persey Foundation | 1 | 1 | — |
| JRS Biodiversity Foundation | 1 | 1 | — |
| JRSBDF-J.R.S. Biodiversity Foundation | 1 | 1 | USD 20k |
| JRSST Charitable Trust | 1 | 1 | — |
| JSI | 1 | 1 | — |
| JSLPS | 1 | 1 | — |
| JTB Corp. Kasumigaseki Branch | 1 | 1 | — |
| July-Sept income | 1 | 1 | — |
| Junior program | 1 | 1 | — |
| junta de castilla y leon. | 1 | 1 | — |
| junta de extremadura | 1 | 1 | — |
| Jusaca Charitable Trust | 1 | 1 | — |
| Jusaca Trust | 1 | 1 | — |
| Justice Rapid Response | 1 | 1 | USD 1.18m |
| Justus Liebig University Giessen | 1 | 1 | USD 33k |
| KAAGNY/K-Radio - Private - USA | 1 | 1 | USD 100k |
| Kabile Cooperative Cashew Farmers and Processors Society Limited | 1 | 1 | — |
| Kadaster Internationaal | 1 | 1 | — |
| Kadoorie Charitable Foundation | 1 | 1 | — |
| Kamdhenu Dairy Development Cooperative | 1 | 1 | — |
| Kampala International University | 1 | 1 | — |
| KAN Jabung | 1 | 1 | — |
| KANOVERA | 1 | 1 | — |
| Kariba Dam Rehabilitation Project | 1 | 1 | USD 20.26m |
| Karl Pedersen og Hustrus Industrifond | 1 | 1 | — |
| Karnataka State Seeds Corporation Limited | 1 | 1 | USD 179k |
| KAS-Koch Agronomic Services | 1 | 1 | USD 579k |
| Kasaali Farmers Cooperative Society | 1 | 1 | — |
| KDEB | 1 | 1 | — |
| Kellogg Company Mexico S. de R.L. de C.V | 1 | 1 | USD 1.05m |
| Kellogg's | 1 | 1 | USD 1000k |
| Kenya Accountable Devolution Program - Phase 3 Multi-Donor Trust Fund | 1 | 1 | USD 2.05m |
| Kenya Agricultural & Livestock Research Organization | 1 | 1 | — |
| Kenya Development Response to Displacement Impacts Project (DRDIP) Multi-Donor Trust Fund | 1 | 1 | USD 13.33m |
| Kenya Forest Research Institute | 1 | 1 | — |
| Kenya Reproductive Maternal Newborn Child and Adolescent Health (RMNCAH) Technical Assistance Multi-Donor Trust Fund | 1 | 1 | USD 4.92m |
| Kenya Reproductive Maternal Newborn Child and Adolescent Health (RMNCAH) Technical Assistance Trust Fund Program | 1 | 1 | USD 1.03m |
| Kenya Society of Ethnoecology | 1 | 1 | USD 15k |
| Kenya Upscaling and De-Risking Private Investment in Affordable Green Housing Supply Single-Donor Trust Fund | 1 | 1 | USD 1.72m |
| Kenya-KARLO-Kenya Agricultural and Livestock Research Organization | 1 | 1 | USD 12k |
| Kenya-Ministry of Agriculture and Livestock Development | 1 | 1 | USD 73k |
| Keoogo | 1 | 1 | — |
| KFAS-Kuwait Foundation for the Advancement of Sciences | 1 | 1 | USD 500k |
| KfW, Frankfurt am Main | 1 | 1 | USD 29.62m |
| KGF-Krishi Gobeshona Foundation | 1 | 1 | USD 1.29m |
| KGNDF | 1 | 1 | — |
| Khalifa International Award for Date Palm and Agricultural Innovation | 1 | 1 | USD 136k |
| Khmer Water Supply Holding | 1 | 1 | — |
| Kiel Institute for the World Economy (IfW) | 1 | 1 | — |
| Kifiya Financial Technology PLC. | 1 | 1 | — |
| Kigali Cooling Efficiency Program | 1 | 1 | — |
| Kigarama People’s Cooperative Saving & Credit | 1 | 1 | — |
| KiK Textilien und Non-Food GmbH | 1 | 1 | — |
| Kilburn & Strode | 1 | 1 | — |
| Kilimo Trust | 1 | 1 | — |
| Kilpatrick Fraser Charitable Trust | 1 | 1 | — |
| Kimse Yok Mu Association | 1 | 1 | USD 30k |
| KINDER | 1 | 1 | — |
| Kinetic Hydro | 1 | 1 | — |
| King Abdulaziz and his Companions Foundation for Giftedness & Creativity “MAWHIBA” | 1 | 1 | — |
| Kingdom of Belgium | 1 | 1 | — |
| Kingdom of Morocco: Ministry of Industry, Investment, Commerce and Digital Economy | 1 | 1 | — |
| Kingdom of Saudi Arabia, Ministry of Finance | 1 | 1 | — |
| Kingold Group | 1 | 1 | — |
| KinyaraSu | 1 | 1 | — |
| KIOS Advisory SA | 1 | 1 | USD 6,799 |
| Kiribati | 1 | 1 | USD 820k |
| Kiribati Ministry of Environment, Lands and Agricultural Development | 1 | 1 | — |
| Kiribati RC | 1 | 1 | — |
| Kiribati: Ministry of Finance and Economic Development | 1 | 1 | — |
| Kiribati: Ministry of Infrastructure and Sustainable Energy | 1 | 1 | — |
| Kiribati: Office of the President | 1 | 1 | — |
| KIT Share Net International | 1 | 1 | — |
| Kiwira SACCOS | 1 | 1 | — |
| KK Wind Solutions | 1 | 1 | USD 4,519 |
| KNVB | 1 | 1 | — |
| Kobe Group (Hyogo Prefecture, Kobe Chamber of Commerce and Industry and Kobe Steel, Ltd.) | 1 | 1 | USD 12k |
| Kobe University | 1 | 1 | USD 263k |
| KOICA - Korea International Cooperation Agency | 1 | 1 | — |
| Kong Frederik d. VIIs Stiftelse | 1 | 1 | — |
| Koninklijk Instituut voor de Tropen | 1 | 1 | — |
| Koninklijke Douwe Egberts B.V | 1 | 1 | — |
| Koninklijke Luchtvaart Maatschappij / Royal Dutch Airlines | 1 | 1 | — |
| Konkuk University | 1 | 1 | USD 143k |
| Konsortium | 1 | 1 | — |
| Kopepi Ketiara | 1 | 1 | — |
| Koperasi kerta Semaya Samaniya | 1 | 1 | — |
| Koperasi Permata Gayo | 1 | 1 | — |
| Koperasi Produsen Andalan Tani Organik Mbay (Atom) | 1 | 1 | — |
| Koperasi Produsen CITRA KINA RAYA | 1 | 1 | — |
| Koperasi Produsen Mitra Kelapa Pangandaran | 1 | 1 | — |
| Koperasi Rakyat Halmahera | 1 | 1 | — |
| KOPERATIVE Y'ABAHINZI B'IBISHYIMBO N'IBIGORI BA KARONGI | 1 | 1 | — |
| Korea (the Republic of) | 1 | 1 | USD 1.22m |
| Korea Development Bank | 1 | 1 | — |
| Korea Export-Import bank (KEXIM) | 1 | 1 | — |
| Korea Foundation for International Healthcare | 1 | 1 | — |
| Korea Foundation for International Healthcare (KOFIH) | 1 | 1 | — |
| KOREA INTERN. COOPERATION AGEN | 1 | 1 | — |
| Korea Ministry of Environment (MOEK) | 1 | 1 | — |
| Korea Rural Economic Insitute | 1 | 1 | — |
| Korea Trust Fund for Economic and Peacebuilding Transitions - Phase 2 | 1 | 1 | USD 1.88m |
| Korea-KOICA-Korea International Cooperation Agency | 1 | 1 | USD 6.25m |
| Korea-KREI-Korean Rural Economic Institute | 1 | 1 | USD 7,000 |
| Korea-National Institute of Crop and Food Science | 1 | 1 | USD 274k |
| Korea-World Bank Group | 1 | 1 | — |
| Korea-World Bank Partnership Facility - Phase 2 Trust Fund | 1 | 1 | USD 790k |
| Korea: Ministry of Economy and Finance, Korea: Ministry of Economy and Finance | 1 | 1 | — |
| Korean and Overseas Fans of Kim Hyun Joong | 1 | 1 | USD 58k |
| Korean Development Institute | 1 | 1 | — |
| Korean Environmental Industry and Techology Institute KEITI | 1 | 1 | — |
| Korean Environmental Institute (KEITI) | 1 | 1 | — |
| Korean International Cooperation Agency (KOICA) | 1 | 1 | — |
| Kosovo Agriculture Rural Development Project | 1 | 1 | USD 7.20m |
| Kosovo Clean-up and Land Reclamation Dutch Trust Fund | 1 | 1 | USD 879k |
| Kosovo Energy Efficiency Fund | 1 | 1 | USD 9.27m |
| KPMG East Africa Limited | 1 | 1 | USD 1.25m |
| KREI-Korea Rural Economic Institute | 1 | 1 | USD 2,600 |
| KSU Agro Utama QTha | 1 | 1 | — |
| KSU Andalan Tani Organik Mbay (Atom) | 1 | 1 | — |
| KSU Asnikom | 1 | 1 | — |
| KSU CITRA KINARAYA | 1 | 1 | — |
| Kuapa Kokoo Co-Operative Cocoa Farmers and Marketing Union Ltd. | 1 | 1 | — |
| Kubota Corporation | 1 | 1 | USD 200k |
| KUD Bayan | 1 | 1 | — |
| KUD Bayongbong | 1 | 1 | — |
| KUD Pringgodani | 1 | 1 | — |
| Kumar | 1 | 1 | USD 4.23m |
| Kumasi Metropolitan Assembly | 1 | 1 | — |
| KUTT Suka Makmur | 1 | 1 | — |
| Kuwait Foundation for the Advancement of Sciences | 1 | 1 | — |
| Kwame Nkrumah University of Science and Technology | 1 | 1 | — |
| Kyrgyz Audit and Reporting Enhancement Single Donor Trust Fund | 1 | 1 | USD 1.08m |
| Kyrgyz Republic Capacity Building in Public Financial Management II MDTF | 1 | 1 | USD 3.74m |
| Kyrgyz Republic Financial Sector Development Project | 1 | 1 | USD 336k |
| Kyrgyz Republic National Water Resources Management Project - Phase 1 | 1 | 1 | USD 8.26m |
| Kyrgyz Republic National Water Resources Management Project Trust Fund - Parallel Trust Fund of TF072112 | 1 | 1 | USD 4.81m |
| Kyrgyz Republic Primary Health Care Quality Improvement Program Accompanying Measures Single-Donor Trust Fund | 1 | 1 | USD 4.40m |
| Kyrgyz Republic Primary Health Care Quality Improvement Program Multi-Donor Trust Fund | 1 | 1 | USD 30.09m |
| Kyrgyz Republic Swiss Trust Fund for the Second Health and Social Protection Project (SWAp2) | 1 | 1 | USD 11.96m |
| Kyrgyz Republic: Climate Finance Center | 1 | 1 | — |
| Kyrgyz Republic: Ministry of the Economy | 1 | 1 | — |
| L'Union Internationale pour la Conservation de la Nature (UICN) | 1 | 1 | — |
| L'Unionde | 1 | 1 | — |
| L'Université Mohammed VI Polytchnique (UM6P) | 1 | 1 | — |
| La Foundation L'Occitaine | 1 | 1 | — |