The 2012 IIHF World Women's U18 Championship was the fifth IIHF World Women's U18 Championships and was hosted in Zlín and Přerov, Czech Republic. It began on December 31, 2011 with the gold medal game played on January 7, 2012. Canada won the title for the second time after defeating United States 3–0 in the final. Sweden captured the bronze medal with a 4–1 victory over Germany. With an attendance of 17,480, the tournament set a record for most-attended IIHF U18 World Women's Championship. The previous record holder was the inaugural championship.