Ecuador competed at the 1980 Summer Olympics in Moscow, USSR. Twelve competitors, eleven men and one woman, took part in thirteen events in five sports.
Athletics
Women's 100 m Hurdles
Nancy Vallecilla
Heat — did not start (→ did not advance)
Women's Pentathlon
Nancy Vallecilla — 3170 points (→ no ranking) 100 metres — 14.46s Shot Put — 11.12m High Jump — 1.68m Long Jump — 5.45m 800 metres — DNF
Boxing
Men's Light Flyweight (48 kg) Lincoln Salcedo First Round — Bye Second Round — Lost to Ahmed Siad (Algeria) on points (0-5)
Men's Flyweight (51 kg) Jorge Monard
Men's Heavyweight (+ 81 kg) Luis Castillo First Round — Lost to Jürgen Fanghänel (East Germany) on points (1-4)
Cycling
Four cyclists represented Ecuador in 1980.