1984 Campeonato Nacional Primera División
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.
North Zone
Interzone
| LSE | 0–0 | GCT | 3–1 |
| UCA | 1–0 | PAL | 1–1 |
| COL | 1–0 | UCH | 2–0 |
| MAG | 3–1 | HUA | 1–0 |
| ATA | 0–0 | TRA | 1–0 |
| SFE | 1–1 | AUD | 4–4 |