# Secretary of State for Commonwealth Affairs

The secretary of state for commonwealth affairs was a British Cabinet minister responsible for dealing with the United Kingdom's relations with members of the Commonwealth of Nations (its former colonies). The minister's department was the Commonwealth Office.
The position was created on 1 August 1966 by the merger of the old positions of secretary of state for commonwealth relations and secretary of state for the colonies. In 1968 the position was merged with that of secretary of state for foreign affairs to create the new position of secretary of state for foreign and Commonwealth affairs.

## Secretaries of state for commonwealth affairs, 1966–1968

| Name | Term of office | Term of office | Political party | P.M. | F.Sec. |
| Herbert Bowden | 1 August 1966 | 29 August 1967 | Labour | Wilson | Stewart |
| Herbert Bowden | 1 August 1966 | 29 August 1967 | Labour | Wilson | G.Brown |
| George Thomson | 29 August 1967 | 17 October 1968 | Labour | Wilson | G.Brown |
| George Thomson | 29 August 1967 | 17 October 1968 | Labour | Wilson | Stewart |
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 1660–1768 Secretaries — Undersecretaries | — |
| Northern Department 1660–1782 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 | Home Office 1782–1794 Secretaries — Undersecretaries | | — |
| Foreign Office 1782–1968 Secretaries — Ministers — Undersecretaries | Colonial Office 1854–1925 Secretaries — Undersecretaries | Colonial Office 1854–1925 Secretaries — Undersecretaries | India Office 1858–1937 Secretaries — Undersecretaries |
| Foreign Office 1782–1968 Secretaries — Ministers — Undersecretaries | Colonial Office 1925–1966 Secretaries — Ministers — Undersecretaries | Dominions Office 1925–1947 Secretaries — Undersecretaries | India Office 1858–1937 Secretaries — Undersecretaries |
| Foreign Office 1782–1968 Secretaries — Ministers — 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 ||||
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