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| Names | Descriptions |
|
| AU | African Union |
| ACTO | Amazon Cooperation Treaty Organization |
| ABCA | American-British-Canadian-Australian-New Zealand Armies |
| AC | Andean Community |
| APA | Anglo-Portuguese Alliance |
| AL | Arab League |
| AMU | Arab Maghreb Union |
| AFTA | ASEAN Free Trade Area |
| APEC | Asia-Pacific Economic Cooperation |
| APTA | Asia-Pacific Trade Agreement |
| ACS | Association of Caribbean States |
| BRICS | Association of Emerging Economies |
| ASEAN | Association of Southeast Asian Nations |
| ANZCERTA | Australia-New Zealand Closer economic agreement |
| ANZUS | Australia-New Zealand-United States security treaty |
| BA | Baltic assembly |
| BNS | Baltic naval squadron |
| BIMSTEC | Bay of Bengal Initiative for Multisectoral Technical and Economic Cooperation |
| BENELUX | Benelux Union |
| BSEC | Black Sea Economic Cooperation |
| ALBA | Bolivarian Alliance for the Peoples of our America |
| CARICOM | Caribbean Community |
| SICA | Central American Integration system |
| CEFTA | Central European Free Trade Agreement |
| CSTO | Collective Security Treaty Organization |
| CEZ | Common Economic Zone |
| COMESA | Common Market for Eastern and Southern Africa |
| CIS | Commonwealth of Independent States |
| CISFTA | Commonwealth of Independent States Free Trade Area |
| CON | Commonwealth of Nations |
| CELAC | Community of Latin American and Caribbean States |
| CENSAD | Community of Sahel-Saharan States |
| CCTS | Cooperation Council of Turkic-speaking states |
| CAFTADR | Dominican Republic-Central America FTA |
| EAC | East African Community |
| CEMAC | Economic and Monetary Community of Central Africa |
| ECCAS | Economic Community of Central African states |
| ECGLC | Economic Community of the Great Lakes Countries |
| ECOWAS | Economic Community of West African states |
| ECO | Economic Cooperation Organization |
| EAEU | Eurasian Economic Union |
| EMFTA | Euro-Mediterranean Free Trade Area |
| EEA | European Economic Area |
| EFTA | European Free Trade Association |
| EU | European Union |
| FVEY | Five Eyes/UKUSA |
| FPDA | Five Power Defense Arrangements |
| SSEUR | Fourteen Eyes |
| GSTP | Global System of Trade Preferences among developing countries |
| GAFTA | Greater Arab Free Trade Area/PAFTA |
| GCC | Gulf Cooperation Council |
| IOC | Indian Ocean Commission |
| RIOPACT | Inter-American Treaty of Reciprocal Assistance |
| IAD | Intergovernmental Authority on Development |
| LHT | Lancaster House Treaties |
| LAES | Latin American Economic System |
| LAIA | Latin American Integration Association |
| MRU | Mano River Union |
| MGC | Mekong-Ganga Cooperation |
| MSG | Melanesian Spearhead Group |
| EUROZONE | Monetary Union of EU |
| MATF | Moroccan-American Treaty of Friendship |
| NC | Nordic Council |
| NAFTA | North American Free Trade Agreement |
| NATO | North Atlantic Treaty Organization |
| OECS | Organization of Eastern Caribbean States |
| GUAM | Organization for Democracy and Economic Development |
| OAS | Organization of American States |
| TAKM | Organization of the Eurasian Law Enforcement Agencies with Military Status |
| OPEC | Organization of the Petroleum Exporting Countries |
| PA | Pacific Alliance |
| PICTA | Pacific Island Countries Trade Agreement |
| PIF | Pacific Islands Forum |
| PATCRA | Papua New Guinea-Australia Trade and Commercial Relations Agreement |
| PSF | Peninsula Shield Force |
| PTN | Protocol on Trade Negotiations |
| SCO | Shanghai Cooperation Organization |
| SAARC | South Asian Association for Regional Cooperation/SAPTA |
| SAFTA | South Asian Free Trade Area |
| ZPCAS | South Atlantic Peace and Cooperation Zone |
| SKUSA | South Korea-United States Alliance |
| SACU | Southern African Customs Union |
| SADC | Southern African Development Community |
| MERCOSUR | Southern Common Market |
| SICOFAA | System of Cooperation among the American Air Forces |
| TPSEP | Trans-Pacific Strategic Economic Partnership |
| TMCS | Treaty of Mutual Cooperation and Security |
| USMEFTA1 | U.S-Middle East Free Trade Area |
| USMEFTA2 | U.S-Middle East Free Trade Area |
| USMEFTA3 | U.S-Middle East Free Trade Area |
| USMEFTA4 | U.S-Middle East Free Trade Area |
| USMEFTA5 | U.S-Middle East Free Trade Area |
| UFM | Union for the Mediterranean |
| UNASUR | Union of South American Nations |
| USRB | Union State of Russia and Belarus |
| UPMDT | USA-Philippines Mutual Defense Treaty |
| V4 | Visegrad Four |
| UEMOA | West African Economic and Monetary union |
| WAMZ | West African Monetary Zone |
| WTO | World Trade Organization |
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