The Canadian Opera Company (COC) is an opera company in Toronto, Ontario, Canada. It is the largest opera company in Canada and one of the largest producers of opera in North America. The COC performs at the Four Seasons Centre for the Performing Arts, which was purpose-built for opera and ballet and is shared with the National Ballet of Canada. For forty years until April 2006, the COC had performed at the O'Keefe Centre.

The Four Seasons Centre for the Performing Arts is a 2,071-seat theatre in Toronto, Ontario, Canada, located at the southeast corner of University Avenue and Queen Street West, across from Osgoode Hall. The land on which it is located was a gift from the Government of Ontario. It is the home of the Canadian Opera Company (COC) and the National Ballet of Canada. The building's modernist design by was created by Canadian firm Diamond Schmitt Architects, headed by Jack Diamond. It was completed in 2006, and the interior design includes an unusual glass staircase.