The High Commission of Sri Lanka ( Shri Lanka Maha Komasaris Karyalaya Landanaya) in London is the diplomatic mission of Sri Lanka in the United Kingdom.
The former State Councilor Claude Corea was appointed as the representative of the Government of Ceylon to the United Kingdom on 24 September 1946. With Ceylon gaining self rule on 4 February 1948, the High Commission of the Dominion of Ceylon was opened on 22nd October 1948 at 13 Hyde Park Gardens, London. It was the second overseas diplomatic mission of Ceylon and the first embassy established by Ceylon after gaining its independence from Britain. It was renamed in 1972 as the High Commission of the Republic of Sri Lanka.