1980 V-League
The 1980 Vietnam National A1 League was the inaugural season of the National Football Championship in Vietnam.
Seventeen teams took part in the competition that was played in two stages: a Group stage featuring 3 groups of 6 and 5 teams and a Championship stage featuring the three group winners.
Originally there were 18 teams, with 8 from Hồng Hà League in the North, 2 from Trường Sơn League in the Central and 8 from Cửu Long League in the South. However, defending all-Vietnam champions Quân Đội withdrew due to internal reasons.
Group stage
- Group stage winners advanced to the Championship stage.
- Bottom placed teams in each group automatically relegated.
Group A
Result| Home / Away | CÔN | QK3 | CSG | CNB | CTP | TGI |
| CAH | — | 0–0 | 4–0 | 3–0 | 1–0 | 4–2 |
| QK3 | 1–0 | — | 1–1 | 3–2 | 3–1 | 1–0 |
| CSG | 1–1 | 0–0 | — | 2–2 | 2–0 | 2–0 |
| CNB | 0–3 | 2–1 | 1–0 | — | 2–2 | 0–0 |
| CTP | 0–1 | 0–1 | 2–1 | 2–0 | — | 4–0 |
| TGI | 3–7 | 1–4 | 1–4 | 0–0 | 1–5 | — |