2005–06 Argentine Primera División


The 2005–06 Argentine Primera División was the 115th season of top-flight football in Argentina. The season ran from August 5, 2005 to May 14, 2006.
Boca Juniors won both, Apertura and Clausura championships totalising 28 league titles to date, while Instituto, Tiro Federal and Olimpo were relegated.

Torneo Apertura

Top scorers

Torneo Clausura

Top scorers

Relegation

Promotion playoff

!colspan="5"|Relegation/promotion playoff 1
!colspan="5"|Relegation/promotion playoff 2