Sri Lanka competed at the 1980 Summer Olympics in Moscow, USSR. From 1948 to 1972, the nation was known as Ceylon at the Olympic Games.
Athletics
Men's 4×400 metres Relay Dharmasena Samararatne, Kosala Sahabandu, Newton Perera, and Appunidage Premachandra Heat — 3:14.4 (→ did not advance)
References Official Olympic Reports Sri Lanka at the 1980 Moscow Summer Games