The 2003 IIHF World U18 Championships were held in Yaroslavl, Russia. The championships began on April 8, 2003 and finished on April 18, 2003. Games were played at Arena 2000 and Avtodizel Arena in Yaroslavl. Canada defeated Slovakia 3-0 in the final to claim the gold medal, while Russia defeated the United States 6-3 to capture the bronze medal.