List of ambassadors of Cambodia to the United States

Ambassador of Cambodia to the United States
ឯកអគ្គរាជទូតខ្មែរប្រចាំនៅសហរដ្ឋអាមេរិក
Royal Arms of Cambodia
Incumbent Chum Sounry since June 2018
Style	His Excellency
Residence	Washington, D.C.
Nominator	Prime Minister
Appointer	HM The King
Term length	No fixed term
Inaugural holder	Nong Kimny
Formation	20 June 1951 (1951-06-20)
Website	Royal Embassy of Cambodia - Washington, D.C.

The Cambodian ambassador to the United States is the official representative of the government of Cambodia in Phnom Penh to the government of the United States in Washington, D.C.

List of representatives

Diplomatic agrément	Diplomatic accreditation	Ambassador	Observations	Head of state	President
June 5, 1951			LEGATION OPENED	Norodom Sihanouk	Harry S. Truman
June 5, 1951	June 20, 1951	Nong Kimny
July 1, 1952			LEGATION RAISED TO EMBASSY
June 19, 1952	July 1, 1952	Nong Kimny
June 8, 1970	June 11, 1970	Sonn Voeunsai	He was director general of the Royal Railways of Cambodia. In May 1965, the Cambodian Government asked for agreement for their newly appointed Ambassador in Paris, Mr Sonn Voeunsai, to be accredited also in London. (accredited 26 Nov. 1965; resident in Paris)	Cheng Heng	Richard Nixon
August 1, 1970			Name changed from Cambodia to KHMER REPUBLIC
June 5, 1973	June 14, 1973	Um Sim		Lon Nol
August 30, 1975			EMBASSY CLOSED	Norodom Sihanouk	Gerald Ford
May 28, 1995	September 15, 1995	Houth Var			Bill Clinton
September 14, 1999	November 29, 1999	Roland Eng	(* 1947) In 1996 he was Ambassador to Thailand.
February 10, 2005	March 8, 2005	Ek Sereywath		Norodom Sihamoni	George W. Bush
January 29, 2009	May 20, 2009	Hem Heng			Barack Obama
June 25, 2015	August 2, 2015	Chum Bunrong
					Donald Trump
June 2018	September 17, 2018	Chum Sounry

• Cambodia–United States relations