Laos competed in the Olympic Games for the first time at the 1980 Summer Olympics in Moscow, USSR.
Results by event
Athletics
Men's 100 metres
Soutsakhone Somninhom
Heat — 11.69 (→ did not advance)
Men's 200 metres
Sitthixay Sacpraseuth
Heat — 24.28 (→ did not advance)
Men's 800 metres
Vongdeuane Phongsavanh
Heat — 2:05.5 (→ did not advance)
Men's 20 km Walk
Thipsamay Chanthaphone
Final — 2:20:22.0 (→ 25th place)
Women's 100 metres
Seuth Khampa
Heat — 14.62 (→ did not advance)
Boualong Boungnavong
Vongdeuane Phongsavanh
Boxing
Men's Light Flyweight (48 kg) Singkham Phongprathith First Round — Lost to Pedro Manuel Nieves (Venezuela) after referee stopped contest in first round
Men's Bantamweight (54 kg) Souneat Ouphaphone First Round — Bye Second Round — Lost to Fayez Zaghloul (Syria) on points (5-0)
Men's Featherweight (57 kg) Takto Youtiya Homrasmy First Round — Bye Second Round — Lost to Winfred Kabunda (Zambia) after referee stopped contest in first round
Men's Lightweight (60 kg) Bounphisith Songkhamphou First Round — Lost to Kazimierz Adach (Poland) after referee stopped contest in second round
Men's Light-Welterweight (63,5 kg) Kampanath First Round — Lost to Farez Halabi (Syria) on points (2-3)