The 2008 IIHF World Women's U18 Championship were the inaugural junior female world ice hockey championships. They were held from January 7 through January 12 of 2008, in Calgary, Alberta, Canada. The championship is the Under-18 junior ice hockey edition of the women worlds, held under the auspices of the IIHF. The inaugural competition featured two groups of nations in round robin play, followed by playoffs. There were eight national teams.