The 2000 AFC Asian Cup was the 12th edition of the men's AFC Asian Cup, a quadrennial international football tournament organised by the Asian Football Confederation (AFC). The finals were held in Lebanon between 12 and 29 October 2000. Japan defeated defending champion Saudi Arabia in the final match in Beirut.

The AFC Asian Cup is the primary association football competition contested by the senior men's national teams of the members of the Asian Football Confederation (AFC), determining the continental champion of Asia. It is the second oldest continental football championship in the world after Copa América. The winning team becomes the champion of Asia and until 2015 qualified for the FIFA Confederations Cup.