| ADB | Asian Development Bank |
| ADF | African Development Fund |
| AfDB | African Development Bank |
| AI | Artificial Intelligence |
| CDB | Caribbean Development Bank |
| CDC (Africa CDC) | Africa Centres for Disease Control and Prevention |
| CERF | Central Emergency Response Fund |
| CGIAR | Consultative Group on International Agricultural Research |
| CRS | Creditor Reporting System (OECD) |
| DAC | Development Assistance Committee (OECD) |
| DESA | United Nations Department of Economic and Social Affairs |
| EBRD | European Bank for Reconstruction and Development |
| ERP | Enterprise Resource Planning |
| EU | European Union |
| FAO | Food and Agriculture Organization of the United Nations |
| FCAS | Fragile and Conflict-Affected States |
| FFI | Future Focus Initiative (UNICEF) |
| GAVI | Gavi, the Vaccine Alliance |
| GCF | Green Climate Fund |
| GEF | Global Environment Facility |
| GNI | Gross National Income |
| Global Fund | Global Fund to Fight AIDS, Tuberculosis and Malaria |
| GPE | Global Partnership for Education |
| GSSC | Global Shared Services Centre |
| HDP Nexus | Humanitarian-Development-Peace Nexus |
| HICs | High-Income Countries |
| HIPC | Heavily Indebted Poor Countries Initiative |
| HNPW | Humanitarian Networks and Partnerships Weeks |
| IA | Internal Audit |
| IASC | Inter-Agency Standing Committee |
| ICAO | International Civil Aviation Organization |
| ICRC | International Committee of the Red Cross |
| ICVA | International Council of Voluntary Agencies |
| IDA | International Development Association |
| IDB | Inter-American Development Bank |
| IDB Invest | Inter-American Investment Corporation |
| IFAD | International Fund for Agricultural Development |
| IFC | International Finance Corporation |
| IFI | International Financial Institution |
| IHL | International Humanitarian Law |
| ILO | International Labour Organization |
| IOM | International Organization for Migration |
| LICs | Low-Income Countries |
| LMICs | Lower-Middle-Income Countries |
| M&E | Monitoring and Evaluation |
| MDB | Multilateral Development Bank |
| MLF | Multilateral Fund for the Implementation of the Montreal Protocol |
| MO | Multilateral Organisation |
| MOPAN | Multilateral Performance Network |
| ODA | Official Development Assistance |
| OCHA | Office for the Coordination of Humanitarian Affairs |
| OECD | Organisation for Economic Co-operation and Development |
| OHCHR | Office of the United Nations High Commissioner for Human Rights |
| PBAS | Performance-Based Allocation System (IFAD) |
| PCB | Programme Coordinating Board (UNAIDS) |
| QCPR | Quadrennial Comprehensive Policy Review |
| SDG / SDGs | Sustainable Development Goal(s) |
| SEA/SH | Sexual Exploitation and Abuse / Sexual Harassment |
| SEAH | Sexual Exploitation, Abuse and Harassment |
| UN | United Nations |
| UNAIDS | Joint United Nations Programme on HIV/AIDS |
| UN80 | United Nations 80th Anniversary Reform Initiative |
| UNCDF | United Nations Capital Development Fund |
| UNCT | United Nations Country Team |
| UNCTAD | United Nations Conference on Trade and Development |
| UNDP | United Nations Development Programme |
| UNDS | United Nations Development System |
| UNEP | United Nations Environment Programme |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| UNFPA | United Nations Population Fund |
| UNGA | United Nations General Assembly |
| UN Habitat | United Nations Human Settlements Programme |
| UNHCR | United Nations High Commissioner for Refugees |
| UNICEF | United Nations Children’s Fund |
| UNIDO | United Nations Industrial Development Organization |
| UNODC | United Nations Office on Drugs and Crime |
| UNOPS | United Nations Office for Project Services |
| UNRWA | United Nations Relief and Works Agency for Palestine Refugees |
| UN Women | United Nations Entity for Gender Equality and the Empowerment of Women |
| UMICs | Upper-Middle-Income Countries |
| USG | United Nations Under-Secretary-General |
| WB | World Bank |
| WASH | Water, Sanitation and Hygiene |
| WFP | World Food Programme |
| WHO | World Health Organization |
| WMO | World Meteorological Organization |