Christopher A. Alexander is a former Canadian diplomat and politician. A member of the Conservative Party, he represented the riding of Ajax—Pickering in the House of Commons of Canada from 2011 to 2015 and served as the minister of citizenship and immigration from 2013 to 2015. Alexander was the Canadian ambassador to Afghanistan from 2003 to 2005.

The minister of immigration, refugees and citizenship is a minister of the Crown in the Canadian Cabinet. The minister is responsible for Immigration, Refugees and Citizenship Canada, which is the federal department responsible for immigration, refugee and citizenship issues in Canada.