The 2009 IIHF World U18 Championship Division II was an international under-18 ice hockey competition organised by the International Ice Hockey Federation. Both Division II tournaments made up the third level of competition of the 2009 IIHF World U18 Championships. The Group A tournament took place between 22 and 28 March 2009 in Maribor, Slovenia and the Group B tournament took place between 16 and 22 March 2009 in Narva, Estonia. South Korea and Great Britain won the Group A and B tournaments respectively and gained promotion to Division I of the 2010 IIHF World U18 Championships.