1986 Primera División de Chile
| Dates | 5 July 1986 – 28 January 1987 |
|---|---|
| Champions | Colo-Colo (15th title) |
| Relegated | Unión San Felipe Audax Italiano Magallanes |
| 1987 Copa Libertadores | Colo-Colo Cobreloa (Liguilla winners) |
| Matches played | 307 |
| Goals scored | 770 (2.51 per match) |
| Top goalscorer | Sergio Salgado (28 goals) |
| Biggest home win | Colo-Colo 6–0 Audax Italiano (21 September) |
| Highest attendance | 77,848 Colo-Colo 1–1 Universidad de Chile (16 November) |
| Total attendance | 2,067,431 |
| Average attendance | 6,756 |
← 1985 1987 → | |
The 1986 Campeonato Nacional was Chilean football league top tier's 54th season. Colo-Colo was the tournament's champion, winning its fifteenth title.