The 2009 ICC Champions Trophy was a One Day International cricket tournament held in South Africa between 22 September and 5 October, at Wanderers Stadium and Centurion Park, both in the Gauteng province. Originally, the tournament was scheduled to be hosted by Pakistan in 2008, but due to security concerns it shifted to South Africa. It was the sixth ICC Champions Trophy, and was previously known as the ICC Knock-out. Two teams from two groups of four qualified for the semi-finals, and the final was staged in Centurion on 5 October. Australia successfully defended the title by beating New Zealand by six wickets in the final.

The ICC Champions Trophy, also called the "Mini World Cup" or simply "Champions Trophy" is a cricket tournament organised by the International Cricket Council every four years. Inaugurated in 1998, The ICC conceived the idea of the Champions Trophy – a short cricket tournament to raise funds for the development of the game in non-test playing countries. It remains as one of those ICC events that had the same format as that of another big cricketing event, like the ICC Men's Cricket World Cup, with the format being One Day Internationals. The tournament is one of the world's most viewed sporting events.