The 2005 IIHF World Championship Division I was an international ice hockey tournament run by the International Ice Hockey Federation. The tournament was contested from April 17 to April 23, 2005. Participants in this tournament were separated into two separate tournament groups. The Group A tournament was contested in Debrecen, Hungary. Group B's games were played in Eindhoven, Netherlands. Norway and Italy finished atop of Group A and Group B respectively, gaining promotion to the Championship Division for 2006. While China finished last in Group A and Romania last in Group B and were relegated to Division II for 2006.