The 2011 Canadian National Women's Under-18 Championships were held in Sageunay, Quebec. All games were contested at the Centre Georges-Vézina. Team Ontario Red claimed their sixth gold medal. Team Manitoba claimed their third bronze medal in tournament history.
The gold medal game signified the sixth time in seven tournaments in which Ontario Red and Quebec played each other. In every match, Team Ontario Red triumphed (2001, January 2005, November 2005, 2007, 2008, 2011). At sixty-three seconds into the first period, Jaimie McDonell scored the game-winning goal on Ann-Renée Desbiens. With the win, Ontario Red improved its all-time record at the tournament to 35-1.