The Dominican Republic competed at the 1980 Summer Olympics in Moscow, USSR.
Results by event
Athletics Men's 100 metres Gerardo Suero Heat — 10.53 Quarterfinals — 10.57 (→ did not advance)
Women's 100 m Hurdles Marisela Peralta Heat — 14.18 (→ did not advance)
Diving Men's Springboard Reynaldo Castro Preliminary Round — 469.14 points (→ 18th place, did not advance)
Men's Platform César Augusto Jimenez Preliminary Round — 369.09 points (→ 21st place, did not advance)
References
Official Olympic Reports