| Rt Hon Hector McNeil | October 1946 | February 1950 |
| Rt Hon Gerald Rufus Isaacs, Marquess of Reading | 1953 | 1957 |
| Rt Hon Harold Anthony Nutting | 1954 | October 1956 |
| Rt Hon William David Ormsby-Gore | January 1957 | 1961 |
| Rt Hon John Dennis Profumo | 1959 | July 1960 |
| Peter John Mitchell Thomas | 1963 | October 1964 |
| Walter Ernest Padley | 1964 | 1967 |
| Rt Hon Alun Arthur Gwynne Jones | 23 October 1964 | 17 October 1968 |
| Eirene Lloyd White | April 1966 | January 1967 |
| Rt Hon Sir Mark Malloch Brown, Baron Malloch Brown | 28 June 2007 | |
| Rt Hon Christopher John Pincher | 25 July 2019 | 13 February 2020 |