The 2002 FIFA World Cup, also branded as Korea Japan 2002, was the 17th FIFA World Cup, the quadrennial football world championship for men's national teams organized by FIFA. It was held from 31 May to 30 June 2002 at sites in South Korea and Japan, with its final match hosted by Japan at International Stadium in Yokohama. During the opening ceremony, the championship was declared opened by President of South Korea Kim Dae-jung.

The FIFA World Cup, often simply called the World Cup, is an international association football competition among the senior men's national teams of the members of the Fédération Internationale de Football Association (FIFA), the sport's global governing body. The tournament has been held every four years since the inaugural tournament in 1930, with the exception of 1942 and 1946 due to the Second World War. The reigning champions are Argentina, who won their third title at the 2022 tournament.