List of ambassadors of the United Kingdom to Thailand
# List of ambassadors of the United Kingdom to Thailand

The Ambassador of the United Kingdom to Thailand is the United Kingdom's foremost diplomatic representative in Thailand, and head of the UK's diplomatic mission in Thailand. The official title is His Britannic Majesty's Ambassador to the Kingdom of Thailand. The first British Consul to the Kingdom of Siam was appointed in 1856 after the signing of the Anglo-Siamese Treaty of 1855. The consulate was elevated to a Legation in 1885, and to an Embassy in 1947.

## Heads of Mission

### Minister Resident and Consul-General

to the King of Siam

* 1885–1889: Sir Ernest Satow GCMG PC
* 1889–1894: Cpt. Henry Jones VC
* 1896–1900: Sir George Greville KCMG

### Envoy Extraordinary and Minister Plenipotentiary

* 1901–1903: Reginald Tower
* 1904–1909: Sir Ralph Paget KCMG CVO PC
* 1909–1915: Sir Arthur Peel KCMG
* 1915–1919: Sir Herbert Dering
* 1919–1921: Richard Seymour
* 1921–1926: Sir Robert Greg KCMG
* 1926–1928: Sir Sydney Waterlow KCMG CBE
* 1928–1929: Sir Charles Wingfield KCMG
* 1929–1934: Sir Cecil Dormer KCMG MVO
* 1934–1941: Sir Josiah Crosby KCMG KBE CIE
* 1941–1945: No representation
* 1945–1947: Sir Geoffrey Thompson GBE KCMG

### Ambassadors

to the Kingdom of Thailand

* 1947–1950: Sir Geoffrey Thompson GBE KCMG
* 1950–1951: Sir John Magowan (appointed in December 1950 but died before he could present his credentials)
* 1951–1954: Sir Geoffrey Wallinger GBE KCMG
* 1954–1957: Sir Berkeley Gage KCMG
* 1957–1961: Sir Richard Whittington KCMG
* 1961–1965: Sir Dermot MacDermot KCMG CBE
* 1965–1967: Sir Anthony Rumbold Bt KCMG KCVO CB
* 1967–1970: Sir Neil Pritchard KCMG
* 1970–1973: Sir Arthur de la Mare KCMG KCVO
* 1973–1978: Sir David Cole KCMG
* 1978–1981: Peter Tripp CMG
* 1981–1986: Justin Staples CMG
* 1986–1989: Derek Tonkin CMG
* 1989–1992: Sir Ramsay Melhuish KBE CMG
* 1992–1996: Christian Adams CMG
* 1996–2000: Sir James Hodge KCVO CMG
* 2000–2003: Barney Smith CMG
* 2003–2007: David Fall CMG
* 2007–2010: Quinton Quayle
* 2010–2012: Asif Ahmad
* 2012–2016: Mark Kent
* 2016–2021: Brian Davidson
