| acabq | Advisory Committee on Administrative and Budgetary Questions |
| ajun | Administration of Justice at the United Nations |
| cahdi | Committee of Legal Advisers on Public International Law of the Council of Europe |
| ecosoc | Economic and Social Council |
| ECtHR | European Court of Human Rights |
| epo | European Patent Organisation |
| esa | European Space Agency |
| eu | European Union |
| eurocontrol | European Organisation for the Safety of Air Navigation |
| fao | United Nations Food and Agriculture Organization |
| ibrd | International Bank for Reconstruction and Development |
| icao | International Civil Aviation Organization |
| icj | International Court of Justice |
| icsid | International Centre for Settlement of Investment Disputes |
| icty | International Criminal Tribunal for the former Yugoslavia |
| ilc | International Law Commission |
| ilm | International Legal Materials |
| ilo | International Labour Organisation |
| iloat | International Labour Organization Administrative Tribunal |
| imf | International Monetary Fund |
| IRMCT | International Residual Mechanism for Criminal Tribunals |
| kfor | Kosovo Force |
| minustah | United Nations Stabilization Mission in Haiti |
| nato | North Atlantic Treaty Organization |
| oas | Organization of American States |
| oecd | Organisation for Economic Co-operation and Development |
| oj | Official Journal of the European Union |
| onuc | United Nations Operation in the Congo |
| opcw | Organisation for the Prohibition of Chemical Weapons |
| osce | Organisation for Security and Co-operation in Europe |
| pca | Permanent Court of Arbitration |
| UN | United Nations |
| unat | United Nations Appeals Tribunal |
| uncitral | United Nations Commission on International Trade Law |
| undp | United Nations Development Programme |
| undt | United Nations Dispute Tribunal |
United Nations Emergency Force |
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| unesco | United Nations Educational, Scientific and Cultural Organization |
| unga | United Nations General Assembly |
| unicef | United Nations Children’s Fund |
| unmik | United Nations Mission in Kosovo |
| unprofor | United Nations Protection Force |
| unrra | United Nations Relief and Rehabilitation Administration |
| UNRWA | United Nations Relief and Works Agency for Palestine Refugees |
| unsc | United Nations Security Council |
| unsg | United Nations Secretary-General |
| unts | United Nations Treaty Series |
| wto | World Trade Organization |