1999 Primera División of Chile

The 1999 Campeonato Nacional was Chilean first tier's 67th season which Universidad de Chile reached its tenth professional title. The relegated teams were Rangers, Deportes La Serena, Deportes Iquique and Cobresal. The tournament was played in two stages, the 8 first places qualified to the Championship Stage, where they carry over their points from the previous stage, but divided by four. For the Relegation Stage the complete points were carried over.