Hamilton Shirley Amerasinghe, CCS (18 March 1913 – 4 December 1980) was a Sri Lankan diplomat and civil servant.
The same year, he was appointed as the Permanent Secretary to the Ministry of Nationalized Services and Road Transport as well as Chairman of the Port (Cargo) Corporation.
[2] In 1961, Amerasinghe became Secretary to the Treasury and Permanent Secretary to the Minister of Finance, succeeding his cousin Samson Felix Amarasinghe and held that post until 1963, while also serving as Official Member of the Monetary Board of the Central Bank and Alternate Governor for Ceylon in the International Bank for Reconstruction and Development.
[3] In 1963, he was appointed Ceylon High Commissioner to India and served concurrently as Ambassador to Nepal and Afghanistan until he moved to the United Nations in 1967.
Amerasinghe was also the Chairman of the Ad Hoc Committee on the Indian Ocean, which Sri Lanka proposed be designated as "zone of peace".
Also, since its creation in 1969, he has been Chairman of the Special Committee to Investigate Israeli Practices Affecting the Human Rights of the Population of the Occupied Territories.