The 2005–06 Iraqi Premier League kicked off on October 28, 2005. The 28 teams were split into four groups of seven. At the end of the group stage, the top three teams from each group (a total of 12 teams) advanced to the Elite Stage.
The 2005-06 Iraqi Premier League commenced on October 28, 2005, with 28 teams divided into four groups of seven. Following the group stage, the top three teams from each group (12 teams in total) progressed to the Elite Stage.