The 2008 IIHF World Women's U18 Championship was the inaugural junior female world ice hockey championship. It was held from 7 to 12 January 2008, in Calgary, Alberta, Canada. The championship is the junior ice hockey version 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.
The eight participating teams are divided up into two seeded groups as below. The teams will play each other once in a single round robin format. The top two teams from the group will proceed to the medal round, while the remaining teams will play in the placing games.