2005–06 Argentine Primera División
| Season | 2005–06 |
|---|---|
| Dates | 5 August 2005 – 14 May 2006 |
| Champions | Apertura: Boca Juniors (27th title) Clausura: Boca Juniors (28th title) |
| 2007 Copa Libertadores | Boca Juniors Gimnasia y Esgrima (LP) River Plate Banfield Vélez Sarsfield |
| 2006 Copa Sudamericana | Gimnasia y Esgrima (LP) Banfield Vélez Sarsfield Lanús San Lorenzo |
← 2004–05 2006–07 → | |
The 2005–06 Argentine Primera División was the 115th season of top-flight football in Argentina. The season ran from 5 August 2005 to 14 May 2006.
Tiro Federal (2004–05 Primera B Nacional champion) and Gimnasia y Esgrima de Jujuy (after beating Huracán in a second promotion playoff) were promoted from Primera B Nacional.
Boca Juniors won both, Apertura and Clausura championships totalising 28 league titles to date, while Instituto (C), Tiro Federal and Olimpo were relegated.