2011 Torneo Apertura (Chile)
The 2011 Torneo Apertura or LXXXVIII Campeonato Nacional de Fútbol Profesional de la Primera División de Chile was the 88th season of Chilean Primera División.
The season started on Friday 28 January with Católica's 2–0 inaugural match win over Deportes Iquique, and concluded on Sunday 12 June in the tournament final won by Universidad de Chile over the same Universidad Católica which didn't repeat its title from previous season.
Teams
A total of 18 teams contested the league, including 16 sides from 2010 season, and two promoted from the Primera B that replaced to the relegated Everton and San Luis de Quillota after finishing in the aggregate's table bottom.Deportes Iquique reached the promotion to Primera División after winning the 2010 Primera B de Chile, so that The Dragons recovered their category lost in 2009, closing a brief absence of one season. However, with Iquique's 2010 Copa Chile Bicentenario title they were automatically qualified to the 2011 Copa Sudamericana second stage. The second promoted team was Unión La Calera as Primera B runner-up, so they returned to the top division after a 25-years absence.
Stadia and locations
| Team | Home city | Stadium | Capacity |
| Audax Italiano | Santiago | Bicentenario de La Florida | |
| Cobreloa | Calama | Municipal de Calama | |
| Cobresal | El Salvador | Estadio El Cobre | |
| Colo-Colo | Santiago | Estadio Monumental | |
| Huachipato | Talcahuano | Estadio CAP | |
| Deportes Iquique | Iquique | Tierra de Campeones | |
| Deportes La Serena | La Serena | La Portada | |
| Ñublense | Chillán | Municipal Nelson Oyarzún Arenas | |
| O'Higgins | Rancagua | El Teniente de Rancagua | |
| Palestino | Santiago | La Cisterna | |
| Santiago Morning | Santiago | Municipal de La Pintana | |
| Santiago Wanderers | Valparaíso | Regional Chiledeportes | |
| Unión Española | Santiago | Santa Laura | |
| Unión San Felipe | San Felipe | Municipal de San Felipe | |
| Unión La Calera | La Calera | Nicolás Chahuán Nazar | |
| Universidad Católica | Santiago | San Carlos de Apoquindo | |
| Universidad de Chile | Santiago | Estadio Nacional | |
| Universidad de Concepción | Concepción | Municipal de Concepción |
Managerial changes
Regular season
Standings
Results
Playoffs
Bracket
Results
Quarterfinals
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Semifinals
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Finals
----Pre-Copa Sudamericana playoff
played a two-legged tie against Deportes Concepción for the 2011 Copa Sudamericana preliminary stages qualification as Chile 3 berth.----
was the tournament's top scorer.
Top goalscorers
| Rank | Player | Club | Goals |
| 1 |  Matías Urbano | Unión San Felipe | 12 |
| 2 |  Gustavo Canales | Universidad de Chile | 11 |
| 3 | Eduardo Vargas | Universidad de Chile | 10 |
| 4 | Edson Puch | Universidad de Chile | 9 |
| 5 | Nicolás Canales | Palestino | 8 |
| 5 | Carlos Muñoz | Santiago Wanderers | 8 |
| 5 | Sebastián Jaime | Unión Española | 8 |