The 2000 Australian Nations Cup Championship was a CAMS sanctioned motor racing title for drivers of Nations Cup cars. It was the inaugural Australian Nations Cup Championship.
The championship was contested over an eight round series.
Rounds 3,7 & 8 were contested over three races and all other rounds over two races.
Championship points were awarded on a 15-12-10-8-6-5-4-3-2-1 basis for the first ten places in each race. An additional point was awarded to the driver setting pole position in qualifying for each round.