| A/M | Air Marshal |
| AA | Anti-Aircraft |
| AEC | Atomic Energy Commission (US) |
| AECB | Atomic Energy Control Board |
| AECL | Atomic Energy of Canada Limited |
| AFP | Agence France-Presse |
| AR(Q) | Annual Review (Questionnaire) (NATO) |
| AWX | All Weather Aircraft Interceptor |
| BAF | Belgian Air Force |
| BOMARC | Boeing-Michigan Aeronautical Centre |
| BWI | British West Indies |
| CANAC | Permanent Delegation of Canada to the North Atlantic Council |
| CANDEL | Canadian Delegation to the General Assembly of United Nations |
| CAS | Chief of Air Staff |
| CBC(-IS) | Canadian Broadcasting Corporation(-International Service) |
| CCC | Canadian Commercial Corporation |
| CCOS | Chairman, Chiefs of Staff |
| CCRU | Canadian Council for Reconstruction through UNESCO |
| CHANCOM | Channel Command (WEU) |
| CHINCOM | China Committee of the Paris Consultative Committee |
| CIA | Central Intelligence Agency (US) |
| CICT | Commission on International Commodity Trade |
| CIR | Canada-India Reactor |
| CJC | Canadian Jewish Congress |
| CJS | Canadian Joint Staff |
| CNR | Canadian National Railways |
| COCOM | Coordinating Committee on Export Controls |
| CPDUN | Canadian Permanent Delegation to United Nations |
| CPP | Convention People's Party (Ghana) |
| CRO | Commonwealth Relations Office (UK) |
| CSU | Christlich Soziale Union (Christian Social Union - West Germany) |
| CY | Calendar Year |
| DBS | Dominion Bureau of Statistics |
| DDP | Department of Defence Production |
| DEA | Department of External Affairs |
| DEW | Distant Early Warning |
| DL(1) | Defence Liaison (1) Division |
| DND | Department of National Defence |
| DOT | Department of Transport |
| DRB | Defence Research Board |
| ECAFE | Economic Commission for Asia and the Far East (UN) |
| ECE | Economic Commission for Europe (UN) |
| ECLA | Economic Commission for Latin America (UN) |
| ECM | Electronic Counter-Measure |
| ECOSOC | Economic and Social Council of United Nations |
| EDC | European Defence Community |
| EOKA | Ethniki Organosis Kyprion Agoniston (National Organization of Cypriot Fighters) |
| EPU | European Payments Union |
| EST | Eastern Standard Time |
| ETAP | Expanded Technical Assistance Program (UN) |
| EURATOM | European Atomic Energy Community |
| FAO | Food and Agriculture Organization |
| FFAR | Fin Folded Air Rocket |
| FO | Foreign Office (UK) |
| FUNU | Force d'urgence des Nations Unies |
| FY | Fiscal Year |
| GATT | General Agreement on Tariffs and Trade |
| GKZT | Gosudarstvennyi Komitet Zarubezhnoi Torgovli (State Committee for Foreign Trade -- USSR) |
| GMC | General Motors Corporation |
| GMT | Greenwich Mean Time |
| HMCS | Her Majesty's Canadian Ship |
| HR | House of Representatives (US) |
| IATA | International Air Transport Association |
| IBRD | International Bank for Reconstruction and Development |
| ICAO | International Civil Aviation Organization |
| ICBM | Intercontinental Ballistic Missile |
| ICCICA | Interim Co-ordinating Committee for International Commodity Arrangements |
| ICEM | International Committee for European Migration |
| ICSC | International Commission for Supervision and Control |
| IFC | International Finance Corporation (UN) |
| IFTU | International Federation of Trade Unions |
| IFF | Identification Friend or Foe |
| ILO | International Labour Organization |
| IMF | International Monetary Fund |
| ISA | Office of the Assistant Secretary of Defense for International Security Affairs (US) Dept of Defense |
| ITO | International Trade Organization |
| JIB | Joint Intelligence Bureau |
| JIC | Joint Intelligence Committee |
| KGB | Komitet Gosudarstvennoi Bezopasnosti (Committee of State Security -- USSR) |
| MAA | Military Assistance Agreement (US) |
| MAAG | Military Assistance Advisory Group (US) |
| MAE | Ministère des Affaires Extérieures |
| MC | Military Committee (NATO) |
| MDAP | Mutual Defence Assistance Program (US) |
| MEDO | Middle East Defence Organization |
| MIG | Mikoyan i Gurevich |
| MW | Mega Watt |
| NATIS | North Atlantic Treaty Organization Information Service |
| NATO | North Atlantic Treaty Organization |
| NEACC | Near East Arms Coordinating Committee |
| NRX | Nuclear Research Experimental |
| NWFP | North-West Frontier Province |
| NZ | New Zealand |
| OAS | Organization of American States |
| OEEC | Organization for European Economic Cooperation |
| ONU | Organisation des Nations Unies |
| OTAN | Organisation du traité de l'Atlantique Nord |
| OTU | Operational Training Unit |
| PC(O) | Privy Council (Office) |
| PERMDEL | Permanent Delegation of Canada to the United Nations, New York |
| QOR | Queen's Own Rifles of Canada |
| QR | Queen's Regulations |
| RAF | Royal Air Force (UK) |
| RC Sigs | Royal Canadian Corps of Signals |
| RCAF | Royal Canadian Air Force |
| RCASC | Royal Canadian Army Service Corps |
| RCC | Revolutionary Command Council |
| RCEME | Royal Canadian Electrical and Mechanical Engineers |
| RCMP | Royal Canadian Mounted Police |
| RCN (R) | Royal Canadian Navy (Reserve) |
| RN | Royal Navy (UK) |
| SAC | Strategic Air Command (US) |
| SACEUR | Supreme Allied Commander, Europe (NATO) |
| SACLANT | Supreme Allied Commander, Atlantic (NATO) |
| SAS | Scandinavian Airlines |
| SCUA | Suez Canal Users' Association |
| SEATO | South East Asia Treaty Organization |
| SG | Standing Group (NATO) |
| SGLO | Standing Group Liaison Officer (NATO) |
| SHAPE | Supreme Headquarters, Allied Powers, Europe (NATO) |
| SUNFED | Special United Nations Fund for Economic Development/Fonds spécial des Nations Unies pour le développement économique |
| TAC | Technical Assistance Committee (UN) |
| TCA | Trans-Canada Airlines |
| TCC | Temporary Council Committee (NATO) |
| UK | United Kingdom |
| UN | United Nations |
| UNEF | United Nations Emergency Force |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| UNICEF | United Nations International Children's Emergency Fund |
| UNKRA | United Nations Korean Reconstruction Agency |
| UNREF | United Nations Refugee Fund |
| UNRPR | United Nations Relief for Palestine Refugees |
| UNRWA(PR) | United Nations Relief and Works Agency (for Palestine Refugees) |
| UNTAB | United Nations Technical Assistance Bureau |
| UNTSO | United Nations Truce Supervisory Organization |
| USA | United States of America |
| USAF | United States Air Force |
| USSEA | Under-Secretary of State for External Affairs |
| USSR | Union of Soviet Socialist Republics |
| WEU | Western European Union |
| WGAF | West German Air Force |
| WHO | World Health Organization |