The 2006 World Allround Speed Skating Championships were held in the indoor Olympic Oval in Calgary (Canada) on 18 and 19 March 2006.

The Canadian Cindy Klassen and the American Shani Davis became world champions.

NQ = Not qualified for the 5000 m (only the best 12 are qualified)DQ = disqualified NQ = Not qualified for the 10000 m (only the best 12 are qualified)DQ = disqualified All 24 participating skaters are allowed to skate the first three distances; 12 skaters may take part on the fourth distance.

These 12 skaters are determined by taking the standings on the longest of the first three distances, as well as the samalog standings after three distances, and comparing these lists as follows: