The 2005–06 season of the Eredivisie began in August 2005 and ended in May 2006. PSV Eindhoven became champion on April 9, 2006. The season was overshadowed by the death of FC Utrecht player David di Tommaso.
These teams were promoted from the Eerste Divisie at the start of the season:
These team was relegated to the Eerste Divisie at the end of the season:
Prior to finishing on 4th place in the regular season, Ajax had already reached the KNVB Cup final. In this final, they faced and defeated Eredivisie champions PSV. Ajax would have qualified for the UEFA Cup via the cup even if they had lost the final. This had consequences for the play-off schedule. Games F and H were not played. The teams ranked 2 to 5 instead played for one Champions League qualifier ticket and three UEFA Cup tickets. The fourth and final UEFA Cup ticket went to the winner of matches C, D and G, between the teams who finished from 6th to 9th place in the regular season. The loser of match G played the winner of a play-off between positions 10 to 13 of the regular league for a place in the UEFA Intertoto Cup. All rounds were played in two legs, one home match and one away match, with away goals as the first tiebreaker.
For one Champions League ticket and three UEFA Cup tickets
For one UEFA Cup ticket and possibly one Intertoto Cup ticket
For possibly one Intertoto Cup ticket
For the Intertoto Cup ticket
Overview
For two Eredivisie tickets
Round 1
Round 2 (best of 3)
Round 3 (best of 3)
NAC Breda and Willem II remained in the Eredivisie.