| AHWP | Asian Harmonization Working Party |
| APEC | Asia-Pacific Economic Cooperation |
| ASTM | |
| BIPM | |
| BRS Conventions | Basel and Stockholm Convention Secretariat and the UNEP part of the Rotterdam Convention Secretariat |
| CARICOM | |
| CBD | |
| CITES | Secretariat to the Convention on International Trade in Endangered species of Wild Fauna and Flora |
| CODEX | Codex Alimentarius Commission |
| COMESA | Common Market for Eastern and Southern Africa |
| EC | European Commission |
| FAO | Food and Agriculture Organization of the United Nations |
| IAEA | International Atomic Energy Agency |
| IAF | |
| IATA | |
| ICANN | The Internet Corporation for Assigned Names and Numbers |
| ICN | International Competition Network |
| ICRC | International Committee of the Red Cross |
| IEA | |
| IEC | |
| IFAC | |
| IFRC | International Federation of Red Cross and Red Crescent |
| IGOs | Intergovernmental Organisations |
| IHO | International Hydrographic Organization |
| ILAC | |
| ILO | |
| IMF | International Monetary Fund |
| IMO | |
| INECE | International Network for Environmental Compliance and Enforcement |
| IOM | |
| IOs | International Organisations |
| IOSCO | |
| IRC | International Regulatory Co-operation |
| ISO | |
| ITU | |
| IUCN | |
| MOPAN | Multilateral Organization Performance Assessment Network |
| MoU | Memorandum of Understanding |
| OECD | |
| OIE | |
| OIML | |
| OPEC | Organization of Petroleum Exporting Countries |
| OTIF | Intergovernmental Organization for International Carriage by Rail |
| OZONE Secretariat | |
| PIC/S | Pharmaceutical Inspection Co-operation Scheme |
| SAICM | Strategic Approach to International Chemicals Management |
| SELA | |
| SIECA | |
| SPS | Sanitary and Phytosanitary |
| TBT | Technical Barriers to Trade |
| UNCITRAL | |
| UNCTAD | |
| UNDP | United Nations Development Programme |
| UNECE | |
| UNEP | United Nations Environment Programme |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| UNFCCC | United Nations Framework Convention on Climate Change |
| UNHCR | United Nations Office of the High Commissioner to Refugees |
| UNIDO | |
| UNIDROIT | International Institute for the Unification of Private Law |
| UPU | Universal Postal Union |
| WADA | World Anti-Doping Agency |
| WCO | |
| WHO | |
| WIPO | |
| WMO | |
| WTO |
Compendium of International Organisations’ Practices
Working Towards More Effective International Instruments