1984 Primera División de Chile
| Dates | 21 July 1984 – 22 December 1984 |
|---|---|
| Champions | Universidad Católica (5th title) |
| Relegated | Santiago Wanderers Deportes Antofagasta Deportes La Serena Regional Atacama Trasandino Fernández Vial Green Cross Temuco Coquimbo Unido |
| Matches played | 345 |
| Goals scored | 845 (2.45 per match) |
| Top goalscorer | Víctor Cabrera (18 goals) |
| Biggest home win | Colo-Colo 8–1 San Luis (9 December) |
| Highest attendance | 69,597 Colo-Colo 1–0 Universidad de Chile (16 September) |
| Total attendance | 1,733,641 |
| Average attendance | 5,040 |
← 1983 1985 → | |
The 1984 Campeonato Nacional was Chilean football league top tier’s 52nd season. Universidad Católica was the tournament’s champion, winning its fifth title. The champion was decided by a small final tournament (Liguilla).