2011 Primera División of Chile

The 2011 Primera División del Fútbol Profesional Chileno season (known as the 2011 Campeonato Nacional Petrobras for sponsorship reasons) was the 80th season of top-flight football in Chile.

Universidad de Chile won both the Apertura and the Clausura Championships For the 2011, the ANFP's Council of Club Presidents approved the return to the Apertura and Clausura format, with playoffs.

Everton and San Luis were relegated last season after finishing 17th and 18th overall, respectively.

There were replaced by Iquique and Unión La Calera, the 2010 Primera B winner and runner-up, respectively.

The Torneo Clausura is scheduled to begin on July 29 and end on December 17.