1977 Primera División de Chile
| Dates | 16 April 1977 – 18 December 1977 |
|---|---|
| Champions | Unión Española (5th title) |
| Relegated | Regional Antofagasta Deportes Ovalle Santiago Wanderers (Promotion Lig.) |
| 1978 Copa Libertadores | Unión Española Palestino |
| Matches played | 307 |
| Goals scored | 860 (2.8 per match) |
| Top goalscorer | Oscar Fabbiani (34 goals) |
| Biggest home win | Unión Española 7–0 Green Cross Temuco (31 July) Unión Española 7–0 O'Higgins (15 October) |
| Highest attendance | 54,336 Universidad de Chile 4–5 Colo-Colo (17 July) |
| Total attendance | 1,970,085 |
| Average attendance | 6,417 |
← 1976 1978 → | |
The 1977 Campeonato Nacional de Fútbol Profesional was first tier's 45th season. Unión Española was the tournament's champion, winning its fifth title.