The 2006 A-League Grand Final, the first edition of the A-League grand final was played between Sydney FC and Central Coast Mariners to decide the champion of the 2005–06 season.
In the Grand Final, a goal from Steve Corica in the second half secured the premiership for Sydney.
As the winners of the Grand Final, Sydney qualified through to the 2007 AFC Champions League joining Adelaide United who were the minor premiers.
Joe Marston Medal: Dwight Yorke (Sydney FC)
Assistant referees: Fourth official: Match rules