The 2006 FIFA Club World Cup (officially known as the FIFA Club World Cup Japan 2006 presented by Toyota for sponsorship reasons) was a football tournament held in Japan between 10 and 17 December 2006.

Defending champions São Paulo were beaten in the 2006 Copa Libertadores Finals by fellow Brazilian side Internacional, who went on to win the Club World Cup for the first time, beating Al Ahly in the semi-finals before defeating Spanish club Barcelona 1–0 in the final.

Following the departure of Australia from the OFC, the Oceanian representative, Auckland City, was fully amateur, so forcing them to play a play-off for a place in the quarter-finals against the J.

Tokyo, Yokohama and Toyota were the three cities to serve as venues for the 2006 FIFA Club World Cup.

For a list of all the rosters of this tournament, see the article 2006 FIFA Club World Cup squads.