This is a list of all major leaders – both civilian and military – of both the United Kingdom and Argentine Republic during the Falklands War of 1982.
United Kingdom forces Political Elizabeth II, Queen of the United Kingdom from 1952 to 2022 John Nott, Secretary of State for Defence from 1981 to 1983 Margaret Thatcher, Prime Minister of the United Kingdom from 1979 to 1990 Rex Hunt, Governors of the Falkland Islands from 1980 to 1985
Military Terence Lewin, Chief of the Defence Staff from 1979 to 1982 David Evans, Vice-Chief of the Defence Staff from 1981 to 1983 Henry Leach, First Sea Lord and Chief of the Naval Staff from 1979 to 1982 John Fieldhouse, Commander-in-Chief Fleet from 1981 to 1982 Sandy Woodward, Flag Officer First Flotilla from to 1981 to 1983 Steuart Pringle, Commandant General Royal Marines from 1981 to 1984 Michael Beetham, Chief of the Air Staff Jeremy Moore, Major-general of Royal Marines Michael Clapp, commanded amphibious assault group Task Group 317.0 Julian Thompson, commanded 3 Commando Brigade from 1981 to 1983 Nick Vaux, commanded 42 Commando from 1981 to 1983 Tony Wilson, commanded 5th Infantry Brigade Jonathan Thomson, commanded Special Boat Service Michael Rose, commanded 22 SAS
Argentina Political Leopoldo Galtieri, President of Argentina from 1981 to 1982 Oswaldo Jorge García, Military Governor of the Malvinas, South Georgia and South Sandwich Islands (interim) Mario Benjamín Menéndez, Military Governor of the Malvinas, South Georgia and South Sandwich Islands Julio Martínez Vivot, Ministry of Defense from 1982 to 1983
Military Leopoldo Galtieri, Chief of the General Staff of the Argentine Army from 1981 to 1982 Leopoldo Suárez del Cerro, Chief of the Joint Chiefs of Staff Jorge Anaya, Commander-in-Chief of the Navy Basilio Lami Dozo, Commander-in-Chief of the Air Force Juan Lombardo, Commander-in-Chief of the South Atlantic Theatre of Operations Ernesto Horacio Crespo, commanded South Air Force