The London Knights are a junior ice hockey team from London, Ontario, Canada, playing in the Ontario Hockey League, one of the leagues of the Canadian Hockey League. The Knights started out in 1965 as the London Nationals but changed to their current name in 1968. The Knights have won two Memorial Cup championships.

The 2005 Memorial Cup was held May 21–29, 2005 at the John Labatt Centre in London, Ontario. It was the 87th annual Memorial Cup competition and determined the major junior ice hockey champion of the Canadian Hockey League (CHL). The Cup tournament featured the champions from the Western Hockey League (WHL), the Kelowna Rockets; the Quebec Major Junior Hockey League (QMJHL), the Rimouski Océanic; the Ottawa 67's representing the Ontario Hockey League (OHL); and the host team. Since the host team, the London Knights, won the Ontario Hockey League championship against the Ottawa 67's, the 67's earned the right to represent the OHL as the League runner-up.