Vietnam competed at the 1980 Summer Olympics in Moscow, USSR. This was the first participation in the Olympics by the nation following the end of the Vietnam War and the Reunification of Vietnam.

Results by event Athletics Men's 1,500 metres Lê Quang Khải Heat — 4:06.8 (→ did not advance)

Men's Marathon Nguyễn Quyễn Final — 2:44:37 (→ 50th place)

Men's Triple Jump Dương Đức Thủy Qualification — 14.59 m (→ did not advance)

Women's 1,500 metres Trịnh Thị Bé Heat — 4:38.6 (→ did not advance)

Women's 100 metres Trần Thanh Vân Heat — 13.23 (→ did not advance)

Women's 200 metres Trần Thị Ngọc Anh Heat — 26.83 (→ did not advance)

Women's 400 metres Trần Thị Ngọc Anh Heat — 1:00.62 (→ did not advance)

Women's Long Jump Nguyễn Thị Hoàng Na Qualifying Round — 5.35 m (→ did not advance, 19th place)

Shooting Open AthleteEventFinalScoreRankNguyễn Đức Uýnh25 m rapid fire pistol58326Nguyễn Quốc Cường25 m rapid fire pistol58523Ngô Hữu Kính50 m pistol54822Phan Huy Khảng50 m pistol55020Nguyễn Tiến Trung50 m rifle prone5832950 m rifle three positions112224Lê Minh Hiển50 m rifle prone58844Nghiêm Văn Sẩn50 m rifle three positions109435

Swimming Men's 100m Freestyle Tô Văn Vệ Heats — 56.75 (→ did not advance)

Men's 200m Freestyle Tô Văn Vệ Heats — 2:11.51 (→ did not advance)

Men's 100 m Backstroke Lâm Văn Hoành Heats — 1:07.29 (→ did not advance)

Men's 200 m Backstroke Phạm Ngọc Tánh Heats — 2:28.40 (→ did not advance)

Men's 100 m Breaststroke Nguyễn Mạnh Tuấn Heats — 1:10.07 (→ did not advance)

Men's 200 m Breaststroke Trần Dương Tài Heats — 2:38.52 (→ did not advance)

Men's 100 m Butterfly Nguyễn Ðăng Bình Heats — 1:00.74

Men's 200 m Butterfly Trương Ngọc Tơn Heats — 2:23.58

Women's 100 m Freestyle Chung Thị Thanh Lan Heats — 1:12.27

Women's 100 m Backstroke Nguyễn Thị Hồng Bích Heats — 1:20.34

Women's 200 m Backstroke Nguyễn Thị Hồng Bích Heats — 2:52.90

Women's 100 m Breaststroke Phạm Thị Phú Heats — 1:22.73 (→ did not advance)

Women's 200 m Breaststroke Hoàng Thị Hoà Heats — 2:55.94 (→ did not advance)

Wrestling Men's freestyle

Legend TF — Won by Fall IN — Won by Opponent Injury DQ — Won by Passivity D1 — Won by Passivity, the winner is passive too D2 — Both wrestlers lost by Passivity FF — Won by Forfeit DNA — Did not appear TPP — Total penalty points MPP — Match penalty points

Athlete Event Elimination Pool Final round Reference Round 1Result Round 2Result Round 3Result Round 4Result Round 5Result Round 6Result Final roundResult Rank Nguyễn Văn Công −48 kg L 2-13 L 2-14 colspan=4 Did not advance Nguyễn Kim Thiềng −52 kg L 8-15 L 2-18 colspan=4 Did not advance Phạm Văn Tý −57 kg L 1-29 L 2-17 colspan=4 Did not advance Phí Hữu Tình −62 kg W 15-0 L 1-14 L 0-25 colspan=3 Did not advance Nguyễn Ðình Chi −68 kg L TF L TF colspan=4 Did not advance

Notes

References