The Parliament of Canada includes the House of Commons.
The House of Commons of Canada ( Chambre des communes du Canada ) is a component of the Parliament of Canada , along with the sovereign ( represented by the governor general ) and the Senate . Parliament of Canada . The governor general summons and appoints each of the 105 senators on the advice of the Prime Minister of Canada , while the 338 members of the House of Commons -- called members of parliament ( MPs ) -- are directly elected by eligible Canadian voters , with each MP representing a single electoral district , commonly referred to as a riding . By constitutional convention , the House of Commons is the dominant branch of parliament , the Senate and Crown rarely opposing its will .