The Sri Lanka Navy (SLN) is the naval arm of the Sri Lanka Armed Forces and is classed as the country's most vital defence force due to its island geography. It is responsible for the maritime defence of the Sri Lankan nation and its interests. The role of the Sri Lanka Navy is to conduct operations at sea for the defence of the nation and its interests and conduct prompt and sustainable combat operations at sea in accordance with the national policies.
General Sir John Kotelawala Defence University (KDU) located at Kandawala, Ratmalana, Colombo, is the state defense university of Sri Lanka which is administered by the Ministry of Defense.
Admiral Wannakuwatta Waduge Erwin Clancy Fernando VSV, USP, MNI was a senior Sri Lanka Navy officer. He served as the Commander of the Sri Lanka Navy from 1 November 1991 to 16 November 1992, when he was assassinated by the LTTE he was the most senior officer in the Sri Lankan armed forces to be killed in the line of duty.
Admiral of the Fleet Wasantha Kumar Jayadeva Karannagoda, RSP, VSV, USP, MRIN, MNI is a Sri Lankan naval officer. He served as the Commander of the Sri Lankan Navy during the last phase of the Sri Lankan Civil War and Governor of North Western Province, Sri Lanka from 2021 to 2023.
Naval and Maritime Academy (NMA), Trincomalee, is the naval academy of the Sri Lanka Navy, and is located within SLN Dockyard, Trincomalee. It received university status in 2001 under the leadership of Commodore SR Samaratunga.
Vice Admiral A. H. Asoka de Silva, VSV was the Commander of the Sri Lanka Navy from 1983 to 1986. He was the first Sri Lankan Ambassador to Cuba.
Admiral Thisara Sugeeshwara Gunasekara Samarasinghe RSP, VSV, USP, ndc, psc, DISS, MNI, SLN was the Commander of the Sri Lankan Navy from 15 July 2008 to 15 January 2011. He had a distinguished 36-year career in the Sri Lankan Navy. His career included a wide range of key appointments at sea and ashore, including training in the United Kingdom, India and the United States.
Cadex 2009 was a military training exercise involving the Indian Navy, Sri Lanka Navy and the Indian Coast Guard. The three-day-long training exercise was held from 6 October to 8 October 2009. Training exercises between the two countries had been held annually, but this had been delayed because of the Sri Lankan Civil War. It was also the first training exercise between the two navies since the end of the war.
Admiral Ravindra Chandrasiri Wijegunaratne, WV, RWP and Bar, RSP, VSV, USP, NI(M), ndc, psn, is a retired Sri Lankan admiral, and former Chief of Defence Staff of the Sri Lanka Armed Forces. He has also served as the Commander of the Sri Lankan Navy, Chief of Staff of the Sri Lanka Navy, the Director General of the Sri Lanka Coast Guard and held, at various times, four of the seven Naval Commands of the SLN. Wijegunaratne has also served as Director Naval Operations, and is a recipient of the Weerodara Vibhushanaya.
Vice admiral Susith Maliya Bandara Weerasekara RSP, VSV, USP, ndu, psn, MSc. (DS) Mgmt, DISS, DIDSS was a commissioned officer of the Sri Lanka Navy. He was the highest ranked senior officer of the Sri Lanka Navy at the time he was overlooked for the position of Commander of the Navy, leading to his subsequent retirement. A committee appointed by President Maithripala Sirisena found that he was politically victimised by the previous government and he was promoted to the rank of vice admiral in October 2015.
Rear Admiral Manil Mendis was a Sri Lankan admiral. He is the former director of naval training and former commander of the Southern Naval Area. He was promoted to the rank of rear admiral in 2015, after a committee appointed by Maithripala Sirisena, the president of Sri Lanka found that he was politically victimized in 2010.
Admiral Jayanath Colombage, RSP, VSV, USP, FNI is a Sri Lankan flag officer and diplomat. He was the Secretary of the Ministry of Foreign Affairs until 2022, prior to which he served as Additional Secretary to the President for foreign relations. A career naval officer, he had served as the Commander of the Sri Lankan Navy, the professional head of the navy from September 2012 to June 2014.
Anthony Rohan Amarasinghe, RSP, VSV, USP, psc, MNI, SLN was a distinguished Sri Lankan admiral. He served as the Director of Naval Rapid Action Boat Squadron, Director Naval Operations, Commander Southern Naval Area (ComSouth), Director General Personnel and Training, Commander North Central Naval Area (ComNorCen), Commander Western Naval Area (ComWest) and Commander Eastern Naval Area (ComEast). He retired from the active service in 2014 upon reaching a mandatory retirement age of 55 for Sri Lankan Armed Forces Personnel. At the time of his retirement, he was the third most senior executive officer behind Commander of the Navy and the Chief of Staff.
Admiral (retired) Jayantha Perera RWP, VSV, USP, ndu, psc was the 19th Commander of the Sri Lankan Navy.
Admiral Dissanayake Wijesinghe Arachchilage Somatilake Dissanayake WV, RSP & Bar, VSV, USP is a retired Sri Lankan admiral. He served as Commander of the Sri Lankan Navy from January 2011 to September 2012.
Vice Admiral Hikkaduwage Ananda Silva, VSV was a Sri Lankan senior naval officer who was the 11th Commander of the Sri Lankan Navy.
Rear Admiral (Retired) Vijitha Bandara Meddegoda, USP, BA, MBA,[Australia was a senior logistics Officer in the Sri Lanka Navy. He was the former Director General of Sri Lanka Navy. He was also the former Director Naval (Logistics), Director Naval, Director Naval (Budget), Director Naval. Further, he hold many key appointments during his career. Rear Admiral Vijitha Meddegoda had retired from his service w.e.f 4 December 2020.
Rear Admiral Y. N. Jayarathna, RWP, RSP, USP is a retired Sri Lankan admiral and hydrographer. He served as the Chief of Staff of the Sri Lanka Navy and Joint chief Hydrographer to the Government of Sri Lanka, former Commandant of the Naval and Maritime Academy and Commanding Officer, 4th Fast Attack Flotilla.
Admiral Sirimevan Sarathchandra Ranasinghe, WWV, RWP, USP is a retired Sri Lankan admiral and the former Commander of the Sri Lanka Navy.
The Sri Lankan Armed Forces have established numerous academies and staff colleges across Sri Lanka for the purpose of training professional soldiers in military sciences, warfare command and strategy, and associated technologies.
Sri Lanka 
Sri Lanka Navy