The 2003 IIHF World U20 Championship, commonly referred as the 2003 World Junior Hockey Championships ("2003 WJHC"), was the 27th edition of the Ice Hockey World Junior Championship. The tournament was held in Halifax and Sydney, Nova Scotia, Canada from December 26, 2002 to January 5, 2003. Russia won the gold medal for the second consecutive year with a 3–2 victory over Canada in the championship game, while Finland won the bronze medal with a 3–2 victory over the United States.