The 2009 British Columbia general election was held on May 12, 2009, to elect members of the Legislative Assembly in the Canadian province of British Columbia. The British Columbia Liberal Party formed the government of the province prior to this general election under the leadership of Premier Gordon Campbell. The British Columbia New Democratic Party under the leadership of Carole James was the Official Opposition.

The Legislative Assembly of British Columbia is the deliberative assembly of the Parliament of British Columbia, in the province of British Columbia, Canada. The other component of Parliament is the lieutenant governor of British Columbia. The assembly has 87 elected members and meets in Victoria. Members are elected from provincial ridings and are referred to as members of the Legislative Assembly (MLAs). Bills passed by the assembly are given royal assent by the lieutenant governor in the name of the King of Canada.