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 started on October 28, 2005, featuring 28 teams divided into four groups of seven. After the group stage, the top three teams from each group (12 teams in total) moved to the Elite Stage.