1988 Primera División de Chile

The 1988 Campeonato Nacional was Chilean football league top tier's 56th season. Cobreloa was the tournament's champion, winning its fourth title.

Semifinals
Deportes Iquique qualified for the final due to its better League head-to-head results (2-1 & 0-0)

Colo-Colo qualified for the final due to its better League head-to-head results (3-1 & 0-0)

Final
Colo-Colo qualified for the 1989 Copa Libertadores