| Rt Hon Sir Spencer Compton Cavendish, Duke of Devonshire |
12 July 1902 | 19 October 1903 |
| Rt Hon George Nathaniel Curzon, Earl Curzon of Kedleston |
10 December 1916 | 23 October 1919 |
| Rt Hon George Nathaniel Curzon, Marquess Curzon of Kedleston |
6 November 1924 | 20 March 1925 |
| Rt Hon Sir James Edward Hubert Gascoyne Cecil, Marquis of Salisbury |
1925 | 1929 |
| Rt Hon Sir Charles Alfred Cripps, Baron Parmoor |
7 June 1929 | 24 August 1931 |
| Rt Hon Sir Douglas McGarel Hogg, Viscount Hailsham |
5 November 1931 | 7 June 1935 |
| Rt Hon Sir Edward Frederick Lindley Wood, Viscount Halifax |
28 May 1937 | 9 March 1938 |
| Rt Hon Sir James Richard Stanhope, Earl Stanhope |
3 September 1939 | 11 May 1940 |
| Rt Hon Dr Christopher Addison, Lord Addison |
1945 | 26 October 1951 |
| Rt Hon Robert Arthur James Gascoyne-Cecil, Marquis of Salisbury |
1951 | 29 March 1957 |
| Rt Hon Alexander Frederick Douglas-Home, Earl of Home |
29 March 1957 | September 1960 |
| Rt Hon Quintin McGarel Hogg, Viscount Hailsham |
27 July 1960 | 20 October 1963 |
| Rt Hon Peter Alexander Rupert Carington, Baron Carrington |
20 October 1963 | 16 October 1964 |
| Rt Hon Francis Aungier Pakenham, Earl of Longford |
1964 | |
| Edward Arthur Alexander Shackleton, Lord Shackleton |
1968 | 1970 |
| Rt Hon Thomas Frederick Peart |
September 1976 | May 1979 |
| Rt Hon Arthur Christopher John Soames, Baron Soames |
5 May 1979 | 14 September 1981 |
| Janet Mary Young, Baroness Young |
1981 | 1983 |
| Rt Hon William Stephen Ian Whitelaw, Viscount Whitelaw of Penrith |
11 June 1983 | 10 January 1988 |
| Rt Hon John Julian Ganzoni, Baron Belstead |
1988 | 1990 |
| Robert Michael James Gascoyne-Cecil, Baron Cecil of Essendon |
July 1994 | 2 May 1997 |
| Rt Hon Ivor Seward Richard, Baron Richard |
May 1997 | 27 July 1998 |
| Rt Hon Margaret Ann Jay, Baroness Jay of Paddington |
27 July 1998 | 8 June 2001 |
| Rt Hon Gareth Wyn Williams, Baron Williams of Mostyn |
June 2001 | 20 September 2003 |
| Rt Hon Dr Valerie Ann Amos, Baroness Amos of Brondesbury |
6 October 2003 | 27 June 2007 |
| Rt Hon Catherine Margaret Ashton, Baroness Ashton of Upholland |
28 June 2007 | 3 October 2008 |
| Rt Hon Janet Anne Royall, Baroness Royall of Blaisdon |
2 October 2008 | 5 June 2009 |
| Rt Hon Thomas Galloway Dunlop du Roy de Blicquy Galbraith, Baron Strathclyde |
12 May 2010 | 7 January 2013 |
| Jonathan Hopkin Hill, Baron Hill of Oareford |
7 January 2013 | 15 July 2014 |
| Tina Wendy Stowell, Baroness Stowell |
15 July 2014 | 11 May 2015 |
| Rt Hon Tina Wendy Stowell, Baroness Stowell |
11 May 2015 | 14 July 2016 |
| Natalie Jessica Evans, Baroness Evans of Bowes Park |
14 July 2016 | 6 September 2022 |
| Nicholas Edward True, Baron True |
6 September 2022 | |