List of ambassadors of the United Kingdom to the United States
Explore the detailed history and current ambassadors of United Kingdom to United States. Discover the key diplomatic missions and representatives fostering strong bilateral relations between United Kingdom and United States.
| Head of mission (HOM) | Entered office | Left office |
|---|---|---|
| Sir Julian Pauncefote | 1893 | 1902 |
| Michael Henry Herbert | 1902 | 1903 |
| Sir Mortimer Durand | 1903 | 1906 |
| James Bryce | 1907 | 1913 |
| Sir Cecil Spring Rice | 1913 | 1918 |
| The Marquess of Reading | 1918 | 1919 |
| The Viscount Grey of Fallodon | 1919 | 1920 |
| Sir Auckland Geddes | 1920 | 1924 |
| Sir Esme Howard | 1924 | 1930 |
| Sir Ronald Lindsay | 1930 | 1939 |
| The Marquess of Lothian | 1939 | 1940 |
| Viscount Halifax | 1940 | 1946 |
| The Lord Inverchapel | 1946 | 1948 |
| Sir Oliver Franks | 1948 | 1952 |
| Sir Roger Makins | 1953 | 1956 |
| Sir Harold Caccia | 1956 | 1961 |
| William David Ormsby-Gore | 1961 | 1965 |
| Sir Patrick Dean | 1965 | 1969 |
| John Freeman | 1969 | 1971 |
| The Earl of Cromer | 1971 | 1974 |
| Peter Edward Ramsbotham | 1974 | 1977 |
| Peter Jay | 1977 | 1979 |
| Sir Nicholas Henderson | 1979 | 1982 |
| Sir Oliver Wright | 1982 | 1986 |
| Sir Antony Acland | 1986 | 1991 |
| Sir Robin Renwick | 1991 | 1995 |
| Sir John Kerr | 1995 | 1997 |
| Sir Christopher Meyer | 1997 | 2003 |
| Sir David Manning | 2003 | 2007 |
| Sir Nigel Sheinwald | 2007 | 2012 |
| Sir Philip Barton | 2012 | - |
| Sir Peter Westmacott | 2012 | 2016 |
| Sir Kim Darroch | 2016 | 2019 |
|
Michael Tatham
(Chargé d'affaires ad interim) |
2020 | - |
| Dame Karen Pierce | 2020 | 2025 |
|
James Roscoe
(Chargé d'affaires ad interim) |
2025 | - |
| Peter Benjamin Mandelson | 2025 | - |
|
James Roscoe MVO
(Chargé d'affaires ad interim) |
2025 | Incumbent |
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This page was last edited on 21 January 2026, at 05:22 AM (EST).