The 2009 IIHF World U18 Championships were held in Fargo, North Dakota and Moorhead, Minnesota, United States. The championships ran from April 9 to April 19, 2009. Games were played at the Urban Plains Center in Fargo and the Moorhead Sports Center in Moorhead. Fargo-Moorhead defeated Providence, Rhode Island and St. Cloud, Minnesota for the rights to host the event.
The United States, as the host country, won their third gold medal in five years, defeating Russia 5–0 in the final. Finland rounded out the podium with a 5–4 shootout win over Canada in the bronze medal game.
Note: The following matches from the preliminary round carry forward to the relegation round:
The following teams took part in the Division I tournament. Group A was played in Minsk, Belarus between April 6 and April 12, 2009. Group B was played in Asiago, Italy between March 29 and April 5, 2009.
The following teams took part in the Division II tournament. Group A was played in Maribor, Slovenia between March 22 and March 28, 2009. Group B was played in Narva, Estonia between March 16 and March 22, 2009:
The following teams took part in the Division III tournament. Group A was played in Taipei, Chinese Taipei (Republic of China) between February 27 and March 5, 2009. Group B was played in Erzurum, Turkey between March 9 and March 15, 2009: