| Noc: | SRI |
| Nocname: | National Olympic Committee of Sri Lanka |
| Games: | Summer Olympics |
| Year: | 1980 |
| Location: | Moscow |
| Competitors: | 4 (4 men and 0 women) |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
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.
See main article: Athletics at the 1980 Summer Olympics.
Men's 4×400 metres Relay