The 2005 Primera División de Chile season was both 77th and 78th season of top-flight football in Chile.
See main article: 2005 Torneo Apertura (Chile).
| Competition: | Torneo Apertura |
| Season: | 2005 |
| Winners: | Unión Española 7th title |
| Continentalcup1: | 2005 Copa Sudamericana |
| Continentalcup1 Qualifiers: | Universidad Católica Universidad de Chile |
| League Topscorer: | Joel Estay Álvaro Sarabia Héctor Mancilla (13 goals) |
| Biggest Home Win: | Cobreloa 5–0 Coquimbo Unido (13 May) |
| Biggest Away Win: | La Serena 3–7 Colo-Colo (19 February) |
| Highest Attendance: | 58,000 Universidad de Chile 1–1 Colo-Colo (10 April) |
| Matches: | 215 |
| Total Goals: | 604 |
| Prevseason: | 2004–C |
| Nextseason: | 2005–C |
The 2005 Torneo Apertura was the season's first tournament. Cobreloa was the defending champions.[1]
Repechaje
See main article: 2005 Torneo Clausura (Chile).
| Competition: | Torneo Clausura |
| Season: | 2005 |
| Winners: | Universidad Católica 9th title |
| Continentalcup1: | 2006 Copa Libertadores |
| Continentalcup1 Qualifiers: | Universidad Católica Colo-Colo |
| League Topscorer: | Patricio Galaz (19 goals) |
| Biggest Home Win: | Audax Italiano 6–0 Concepción (31 July) |
| Biggest Away Win: | Audax Italiano 4–5 Unión Española (20 November) |
| Highest Attendance: | 60,000 Universidad Católica 2–1 Universidad de Chile (22 December) |
| Matches: | 215 |
| Total Goals: | 561 |
| Prevseason: | 2005–A |
| Nextseason: | 2006–A |
The 2005 Torneo Clausura was the season's second tournament. Unión Española was the defending champion after beating Coquimbo Unido in the Torneo Apertura final.[2]
Repechaje