Under-Secretary of State for Commonwealth Affairs

The position of Under-Secretary of State for Commonwealth Affairs in the United Kingdom was created in 1966 by the merger of the old positions of Under-Secretary of State for Commonwealth Relations and Under-Secretary of State for the Colonies. The position dealt with British relations with members of the Commonwealth of Nations. In 1968 the position was merged with the Under-Secretary of State for Foreign Affairs to create the new position of Under-Secretary of State for Foreign and Commonwealth Affairs.

Office Holders

• 1966: Frank Beswick, Baron Beswick
• 1967: William Whitlock

History of English and British government departments with responsibility for foreign affairs and those with responsibility for the colonies, dominions and the Commonwealth

Northern Department 1660–1782 Secretaries — Undersecretaries	Southern Department 1660–1768 Secretaries — Undersecretaries		—
	Southern Department 1768–1782 Secretaries — Undersecretaries 1782: diplomatic responsibilities transferred to new Foreign Office	Colonial Office 1768–1782 Secretaries — Undersecretaries
Foreign Office 1782–1968 Secretaries — Ministers — Undersecretaries	Home Office 1782–1794 Secretaries — Undersecretaries
	War Office 1794–1801 Secretaries — Undersecretaries
	War and Colonial Office 1801–1854 Secretaries — Undersecretaries
	Colonial Office 1854–1925 Secretaries — Undersecretaries		India Office 1858–1937 Secretaries — Undersecretaries
	Colonial Office 1925–1966 Secretaries — Ministers — Undersecretaries	Dominions Office 1925–1947 Secretaries — Undersecretaries
			India Office and Burma Office 1937–1947 Secretaries — Undersecretaries
		Commonwealth Relations Office 1947–1966 Secretaries — Ministers — Undersecretaries
	Commonwealth Office 1966–1968 Secretaries — Ministers — Undersecretaries
Foreign and Commonwealth Office 1968–2020 Secretaries — Ministers — Undersecretaries
Foreign, Commonwealth and Development Office Since 2020 Secretaries — Ministers — Undersecretaries