The 2009 World Junior Ice Hockey Championships (2009 WJHC), was the 33rd edition of the Ice Hockey World Junior Championship and was played in Ottawa, Ontario, Canada, between December 26, 2008, and January 5, 2009.

Canada won the gold medal for a record-tying fifth consecutive time.

No country would win back-to-back gold until the 2023 World Junior Ice Hockey Championships when Canada won the 2022 and 2023 tournaments respectively.

[4][5] Five potential bid groups formally submitted their bids before the March 31, 2006, deadline and made their final presentations to the selection committee in Calgary on April 18, 2006:[6] On May 3, 2006, Hockey Canada and the Canadian Hockey League announced that Ottawa was chosen to host the 2009 tournament.

[8] (minimum 40% team's total ice time) TOI = Time on ice (minutes:seconds); SA = Shots against; GA = Goals against; GAA = Goals against average; Sv% = Save percentage; SO = Shutouts Source:[10] 09:50, 6 January 2009 (UTC) Source:[11] The Division I Championships were played between December 14 and December 20, 2008, in Herisau, Switzerland (Group A),[12] and between December 15 and December 21, 2008 in Aalborg, Denmark (Group B).