The 2008 Tour Down Under was the 10th edition of the Tour Down Under road cycling stage race, taking place from 22 to 27 January in and around Adelaide, South Australia.

The Tour Down Under was the first race outside of Europe to be given ProTour status by the UCI.

The race was preceded by an opening race called Down Under Classic, not part of the UCI ProTour competition.

It was won by German André Greipel of Team High Road.

As of 27 January 2008, after the Tour Down Under[1] After winning 4 stages of Tour Down Under and the overall classification, German André Greipel is the first leader of 2008 UCI ProTour.