The 2009 Football League One play-off Final was a football match played at Wembley Stadium on 24 May 2009, at the end of the 2008–09 season. The match determined the third and final team to gain promotion from League One to the Championship, and was contested by Millwall, who finished fifth during the league season, and Scunthorpe United, who finished sixth. The teams reached the final by defeating Leeds United and Milton Keynes Dons respectively in the two-legged semi-finals.