This is a list of alumni of Trinity College, Kandy, Sri Lanka, commonly referred to as Old Trinitians, organised alphabetically by surname.
A Ajith Abeyratne (1948–2023) – rugby union player, administrator, commentator and coach. L. O. Abeyaratne (1893–1978) – Ceylonese paediatrician and Member of Parliament. Saliya Upul Aladeniya (1963–1990) – Captain, Sri Lanka Army; first recipient of the Parama Weera Vibhushanaya, Sri Lanka's highest military decoration. W. T. I. Alagaratnam (1895–1977) – engineer and Director of Irrigation. Bernard Aluwihare (1902–1961) – Cabinet minister. Richard Aluwihare (1895–1976) – first Ceylonese and 12th Inspector General of Police (1946–1955), high commissioner to India and veteran of World War I. Dilum Amunugama (born 1981) – Cabinet minister. Sarath Amunugama (born 1939) – Cabinet minister. John Attygalle (1906–1981) – 16th Inspector General of Police (1966–1967).
B Tissa Balalle (born 1937) – Member of Parliament and governor of North Western Province. Cecil Balmond (born 1943) – Deputy chairman of Arup Group, designer, artist and writer. Michael Banda (1930–2014) – Trotskyist and General Secretary of the British Workers Revolutionary Party. Senaka Bibile (1920–1977) – Professor of pharmacology, Dean of the Faculty of Medicine and founder of the State Pharmaceuticals Corporation. Louis Edmund Blaze (1861–1951) – founder of Kingswood College, Kandy. Hasitha Boyagoda (born 1998) – first-class cricketer. Edward Buultjens (1913–1980) – national cricketer and rugby union player.
C V. Coomaraswamy (1892–1972) – Ceylonese high commissioner to Canada. R. R. Crossette-Thambiah (1897–?) – 18th Solicitor General of Ceylon (1950–1951), commissioner of assize and barrister.
D Bertie de Silva (1901–1981) – Conservator of Forests of the Forest Department, civil servant and first-class cricketer. Desmond de Silva (1939–2018) – criminal law barrister, international lawyer and chief prosecutor of the Special Court for Sierra Leone. Fredrick de Silva (1912–1993) – Member of Parliament, mayor of Kandy and ambassador to France. Janak de Silva – Puisne justice of the Supreme Court of Sri Lanka (since 2020), judge of the Court of Appeal and Senior Deputy Solicitor General. Lucien Macull Dominic de Silva (1893–1962) – Puisne justice of the Supreme Court of Sri Lanka and Solicitor General. Kemal Deen – professor, academic, surgeon and consultant in gastrointestinal surgery. Jayantha Dhanapala (1938–2023) – UN Under-Secretary-General for Disarmament Affairs (1998–2003) and ambassador to the United States. N. Q. Dias – civil servant and high commissioner to India. Niroshan Dickwella (born 1993) – national cricketer. Gamini Dissanayake (1942–1994) – 9th Leader of the Opposition, cabinet minister, presidential candidate and sports administrator. Gishan Dissanaike – economist, Dean of Cambridge Judge Business School. Wimal Dissanayake (1939–2026) – writer, academic, university professor and film critic. Samantha Dodanwela (born 1970) – first-class cricketer and businessman. B. H. Dunuwille (1896–?) – Member of the Senate of Ceylon; father of Harindra Dunuwille. Harindra Dunuwille (born 1946) – Member of Parliament, mayor of Kandy and first-class cricketer.
E Narendra Ekanayake (born 1977) – captain of the Bahamas national cricket team.
G Jabez Gnanapragasam (1924–1997) – 12th Anglican Bishop of Colombo. Kushil Gunasekera – businessman, philanthropist and first-class cricketer. Chandra Dharma Sena Gooneratne (1899–1981) – lecturer, historian, poet, diplomat, social activist and military officer; veteran of World War I and World War II.
H John Halangode – Brigadier, Sri Lanka Army and founder of Gemunu Watch. Kabir Hashim (born 1959) – Cabinet minister. Kanaka Herath (born 1976) – Cabinet minister. E. L. B. Hurulle (1919–2009) – Cabinet minister and governor of Central and North Central Provinces.
I P. C. Imbulana (1920–2012) – Cabinet minister and governor of Central Province. Quentin Israel (1934–2007) – rugby union player, coach and school teacher.
J Douglas St. Clive Budd Jansze (1909–1966) – 31st Attorney General of Ceylon (1957–1966) and 20th Solicitor General of Ceylon (1955–1957). Lakshman Jayakody (1930–2010) – Cabinet minister. Atma Jayaram (1915–1990) – 5th Director of the Intelligence Bureau of India (1971–1975). Anuradha Jayaratne (born 1985) – State minister. Bandula Jayasekara (–2021) – journalist, broadcaster, newspaper editor and diplomat. W. T. Jayasinghe – civil servant and ministerial secretary. CAHP Jayawardena (1898–1986) – Brigadier, Ceylon Army; forest conservator, equerry to Queen Elizabeth II and aide-de-camp to the Governor-General of Ceylon. Japana Jayawardena (born 1947) – Brigadier, Sri Lanka Army; rugby union player and sports administrator. M. D. H. Jayawardena (1915–1986) – Cabinet minister, lawyer and businessman.
K Lakshman Kadirgamar (1932–2005) – Cabinet minister. Michael Kawalya Kagwa (died 1971) – Katikkiro of Buganda (1945–1950). Chelva Kanaganayakam (1952–2014) – university professor, academic, author and translator. Neville Karunatilake (1930–2010) – 8th Governor of the Central Bank of Sri Lanka (1988–1992), civil servant and economist. Jayantha Kelegama (1928–2005) – economist. George Keyt (1901–1993) – artist and painter. Denzil Kobbekaduwa (1940–1992) – Lieutenant general, Sri Lanka Army; General officer commanding Northern Province. Hector Kobbekaduwa (1916–1983) – Cabinet minister and presidential candidate. Tikiri Kobbekaduwa – Governor of Central (2005–2015) and Sabaragamuwa (2019–2023) Provinces. Gladwin Kotelawala (1914–?) – Member of Parliament and businessman. J. C. T. Kotelawala (1910–1992) – Member of Parliament and ambassador to the Soviet Union. Parami Kulatunga (1951–2006) – Lieutenant general, Sri Lanka Army; 18th Deputy chief of staff (2005–2006). Lahiru Kumara (born 1997) – national cricketer.
L Graeme Labrooy (born 1964) – national cricketer. Mohamed Latheef (1951–2022) – Member of the People's Majlis of Maldives, politician, co-founder of the Maldivian Democratic Party and human rights activist.
M Godfrey Edward Madawala (1878–1932) – Member of both the Legislative Council and the State Council of Ceylon. Ranjan Madugalle (born 1959) – captain of the Sri Lanka national cricket team and chief of the Elite Panel of ICC Referees. Dilantha Malagamuwa (born 1963) – racing driver. Suraj Mapa (born 1980) – actor, producer, choreographer, dancer and model. Theodore Barcroft L. Moonemalle (1868–?) – Member of the Legislative Council of Ceylon. Faisz Musthapha – Chairman of the Human Rights Commission of Sri Lanka and high commissioner to the United Kingdom.
N Alan Nugawela (died 2007) – Colonel, Ceylon Army; aide-de-camp to the Governor-General and planter. Derrick Nugawela – Colonel, Ceylon Army; banker and planter.
P Theodore Braybrooke Panabokke (1909–1989) – Member of Parliament and high commissioner to India.v Tikiri Bandara Panabokke II (1883–1963) – Cabinet minister and member of the Legislative Council of Ceylon. Matheesha Pathirana (born 2002) – national cricketer. Sachith Pathirana (born 1989) – national cricketer. David Paynter (1900–1975) – artist and painter. R. S. Pelpola (1898–1971) – 7th Speaker of the Parliament of Ceylon (1960–1964) and high commissioner to Malaysia. T. B. Poholiyadde (1890–1956) – Member of Parliament and colonial-era headman.
R P. T. R. Palanivel Rajan (1932–2006) – 9th Speaker of the Tamil Nadu Legislative Assembly (1996–2001) and minister. Tellipalai Rajaratnam (1920–1994) – Puisne justice of the Supreme Court of Sri Lanka, commissioner of assize and member of Parliament. Rudra Rajasingham (1926–2006) – 20th Inspector General of Police (1982–1985) and ambassador to Indonesia. J. A. Rambukpota (1891–1955) – Member of Parliament and colonial-era administrator. Shelton Ranaraja (1926–2011) – Deputy minister and mayor of Kandy. Roshanka Ranasinghe (born 1967) – University professor and coastal engineer. Donald Jasen Ranaweera (1921–2000) – Member of Parliament, plantation owner and chairman of The Times of Ceylon. Shanakiya Rasamanickam (born 1990) – Member of Parliament. David Ratnavale (1928–2023) – psychiatrist and advocate of disaster relief. Nilantha Ratnayake (born 1968) – national cricketer. Ravi Ratnayeke (born 1960) – vice captain of the Sri Lanka national cricket team. A. C. L. Ratwatte (1909–1971) – Mayor of Kandy, high commissioner to Ghana and Malaysia; son of Cudah Ratwatte and brother of J. C. Ratwatte II. Anuruddha Ratwatte (1938–2011) – General, Sri Lanka Army; Cabinet minister. Barnes Ratwatte (1883–1957) – Member of both the State Council and the Senate of Ceylon; father of Sirimavo Bandaranaike. Barnes Ratwatte II (–2004) – Puisne justice of the Supreme Court of Sri Lanka and public trustee. Cudah Ratwatte (1880–1940) – first Mayor of Kandy and the first person from Kandy to be awarded a knighthood; father of A. C. L. Ratwatte and J. C. Ratwatte II. J. C. Ratwatte II – Member of the State Council of Ceylon and Adigar; son of Cudah Ratwatte and brother of A. C. L. Ratwatte. Lohan Ratwatte (1968–2025) – Non-cabinet minister, MP (2010–2024). Mackie Ratwatte (–1999) – physician and private secretary to the prime minister. Mahendra Ratwatte – Mayor of Kandy (2011-2015), basnayake nilame of Sri Maha Vishnu Devalaya of Kandy and Dedi Munda Devalaya of Aluthnuwara. Nigel Ratwatte (born 1990), captain of the Sri Lanka national rugby union team. S. D. Ratwatte – Colonel, Ceylon Army; Commandant of the Volunteer Force and veteran of World War II. Tharinda Ratwatte (born 1995) – rugby union player. Wilfred A. Ratwatte – Member of Parliament. Joseph Lionel Christie Rodrigo (1895–1972) – university professor and dean of the faculty of arts of the University of Ceylon. Ajit Rudra (1896–1993) – Major general, Indian Army; General officer commanding Southern Command; veteran of World War I and World War II.
S Neville Samarakoon (1919–1990) – 36th Chief Justice of Sri Lanka (1977–1984). Kumar Sangakkara (born 1977) – captain of the Sri Lanka national cricket team. Vernon Schokman (1905–1991) – first-class cricketer, rugby union player and police officer. E. L. Senanayake (1920–2000) – 13th Speaker of the Parliament of Sri Lanka (1983–1988); father of Kesera Senanayake. Kesera Senanayake – Mayor of Kandy. Sujeewa Senasinghe (born 1971) – Non-cabinet minister. Berty Seneviratne (1916–1967) – actor, filmmaker and choreographer. Partap Sharma (1939–2011) – author, novelist, playwright, commentator, actor and documentary filmmaker. Sarath N. Silva (born 1946) – 41st Chief Justice of Sri Lanka (1999–2009). Travis Sinniah – Admiral, Sri Lanka Navy; 21st Commander of the Navy (2017). Peri Sundaram (1890–1957) – Minister of the State Council of Ceylon, member of the Senate of Ceylon, lawyer and trade unionist.
T Herbert Tennekoon (1911–1979) – 6th Governor of the Central Bank (1971–1979) and civil servant; brother of William Tennekoon. R. S. Tennekoon – Member of both the first and second State Councils of Ceylon. William Tennekoon – 5th Governor of the Central Bank (1967–1971) and civil servant. Duvindu Tillakaratne (born 1996) – first-class cricketer.
U Richard Udugama (1911–1995), Major general, Ceylon Army; 5th Commander of the Army (1964–1966), Member of Parliament and ambassador to Iraq. Heshan Unamboowe (born 1992) – Olympic swimmer, men's 100 metre backstroke at the 2012 Summer Olympics. Ukku Banda Unamboowe – Member of Parliament and colonial-era administrator.
V Amith Thenuka Vidanagamage (born 1973) – Cabinet minister. Tissa Vitharana (1934–2026) – Cabinet minister and the leader of Lanka Sama Samaja Party (LSSP).
W Batty Weerakoon (1932–2019) – Cabinet minister and the leader of Lanka Sama Samaja Party (LSSP). Kaushalya Weeraratne (born 1981) – national cricketer.