The 2008 Campeonato Nacional Apertura Copa Banco Estado was the 83rd Chilean League top flight, in which Everton won its 4th league title after beating Colo-Colo in the finals.
The 20 teams were organized into four groups, but played each other in a single round-robin format.
The top-two teams from each group advanced to a single elimination play-off, but the best 3rd-place team had to worst 2nd-place team in an advancement play-off match.
The clubs were seeded by their first phase standings.
Everton qualified to the 2009 Copa Libertadores Second Stage.