The 2009–10 Eredivisie was the 54th season of Eredivisie since its establishment in 1955. AZ were the reigning champions. A total of 18 teams is taking part in the league, consisting of 16 who competed in the previous season and two promoted from the Eerste Divisie. The teams promoted from the Eerste Divisie at the end of the previous season were champions VVV-Venlo and promotion/relegation play-off winners RKC Waalwijk.
The season started on 31 July 2009 and ended on 2 May 2010. FC Twente won their first ever Eredivisie title.[2][3]
As of 2023, this is the last time that none of the big three Dutch teams have won the title.
Including games played on 2 May 2010; Source: Yahoo Sport, ESPN Soccernet, Soccerway, Eredivisie (official site) (in Dutch)
The teams placed 6th through 9th compete in a play-off tournament for one spot in the second qualifying round of the UEFA Europa League 2010–11.
The 16th and 17th placed teams, along with the teams from Eerste Divisie, participate in a play-off for two spots in 2010–11 Eredivisie.
Willem II and Excelsior will play in 2010–11 Eredivisie.