The 2012 MasterCard Memorial Cup was a four-team, round-robin format ice hockey tournament played from May 18–27, 2012 at the Centre Bionest in Shawinigan, Quebec. It was the 94th Memorial Cup championship and determined the champion of the Canadian Hockey League (CHL). The tournament featured the London Knights, champions of the Ontario Hockey League (OHL); the Saint John Sea Dogs, champions of the Quebec Major Junior Hockey League (QMJHL); the Edmonton Oil Kings, champions of the Western Hockey League (WHL); and the Shawinigan Cataractes, who won the right to host the tournament over bids by the Saint John Sea Dogs, Halifax Mooseheads and Cape Breton Screaming Eagles.