Christopher Gregory Weeramantry, AM was a Sri Lankan lawyer who was a Judge of the International Court of Justice (ICJ) from 1991 to 2000, serving as its vice-president from 1997 to 2000. Weeramantry was a judge of the Supreme Court of Sri Lanka from 1967 to 1972. He also served as an emeritus professor at Monash University and as the president of the International Association of Lawyers against Nuclear Arms.
Hamilton Shirley Amerasinghe, CCS was a Sri Lankan diplomat and civil servant. He was High Commissioner to India and concurrently Ambassador to both Nepal and Afghanistan (1963–1967) and Permanent Secretary of the Ministry of Finance and Treasury and the Ministry of Health. Amerasinghe served as Ceylon's Permanent Representative to the United Nations 1967 to 1980 and served as President of the United Nations General Assembly in 1976. He was also one of the leaders of the negotiations to draft the United Nations Convention on the Law of the Sea.
Deshamanya Vernon Loraine Benjamin Mendis was a prominent Sri Lankan diplomat, who served as the United Nations' Special Envoy to the Middle East. He is referred to as the Sri Lanka's Father of Diplomacy due to his role in formation of the country's diplomatic service and has served as Sri Lankan High Commissioner to the United Kingdom, Canada; Ambassador to France, Cuba and Secretary General of the Non Aligned Movement.
Bernard Tilakaratna, SLOS (1927–2004) was a senior diplomat and bureaucrat of the Sri Lankan government. He was an ambassador to many countries and prior to retirement was the permanent secretary to Ministry of Foreign Affairs.
Suratissa Diyasena Wijeyeratne was a Sri Lankan politician, diplomat, barrister and businessman. He was also Additional Secretary to the Ministry of External Affairs and Defence, and Senior Advisor to the Prime Minister.
Lt. Colonel Daya Perera, PC was a Sri Lankan diplomat and lawyer, who was the Sri Lankan High Commissioner to Canada and Ambassador to the United Nations in New York City.
Deshamanya Neville T. D. Kanakaratna was a Sri Lankan lawyer, diplomat and scholar who was the Governor of the Southern Province. He was the Sri Lankan Ambassador to the United States and High Commissioner to India.
Mangala Nath Moonesinghe was a Sri Lankan lawyer and politician. He served as a Member of Parliament for Bulathsinhala electorate between 1965 and 1977, and the Kalutara electorate between 1989 and 1994. He was Sri Lankan High Commissioner to the United Kingdom from 2000 to 2002 and Sri Lankan High Commissioner to India from 1995 to 2000.
Siri Perera QC was a Criminal lawyer, a Buddhist leader who was one time the President of the Colombo YMBA. He was also a former Sri Lanka High Commissioner to India.
Wickrema Weerasooria was a Sri Lankan lawyer, civil servant, diplomat and an academic. He was the Permanent Secretary to the Ministry of Plan Implementation, former Sri Lankan High Commissioner to Australia and New Zealand. He served as Sri Lanka's first Insurance Ombudsman.
Peter Mohan Maithree Peiris, PC is a Sri Lankan lawyer and diplomat. He served as the Attorney General of Sri Lanka from 2008 to 2011 and was the de facto Chief Justice of Sri Lanka from 2013 to 2015 when President Maithripala Sirisena declared his appointment void ab initio in 2015. He has been serving as the Permanent Representative of Sri Lanka to the United Nations since January 2021 and was elected Vice President of the 78th session of the United Nations General Assembly in June 2023.
Mathiaparanan Abraham Sumanthiran, MP, PC born 9 February 1964) is a Sri Lankan Tamil lawyer and politician. A successful civil lawyer who practices civil litigation, human rights and constitutional law, Sumanthiran has served as Member of Parliament from the Jaffna District since 2015 and National List from the 2010 to 2015 from the Illankai Tamil Arasu Kachchi.
Rodney Clement Austen Vandergert was a prominent Sri Lankan diplomat and civil servant, who served as the Permanent Secretary to the Ministry of Foreign Affairs of Sri Lanka and Chairman of the Public Service Commission. He had served as Sri Lankan High Commissioner to Canada and Ambassador to People’s Republic of China & Soviet Union.
James Aubrey Martensz was a Ceylonese lawyer and statesmen. Following a successful legal practice, Martensz was appointed a member of the first Parliament of Ceylon, before stepping down to serve as Ceylon's first High Commissioner in Australia.
Sir Senerat Gunewardene was a Sri Lankan lawyer, statesmen and diplomat. He was the first Minister without Portfolio, member of parliament and member of the State Council for Gampola, before serving in several top diplomatic posts such as Ceylon's Ambassador to Italy, Ceylon's Ambassador to the United States, where he was appointed concurrently as Ceylon's first Permanent Representative to United Nations and Ceylon's High Commissioner to United Kingdom.
Henry Wijeyakone Thambiah (1906–1997) was a Ceylonese academic, diplomat, lawyer and judge, born in Sri Lanka during British colonial rule. He was a Commissioner of Assize, High Commissioner and judge of the Supreme Courts of Ceylon and Sierra Leone.
Somasunadaran Skandakumar is a Sri Lankan business executive and diplomat. He was the Group Chairman of the George Steuart Group and Sri Lankan High Commissioner to Australia.
