David Gregory Rickford PC ECO KC MPP (born September 24, 1967) is a Canadian politician. He is the Minister of Northern Development and Minister of Indigenous Affairs in the Executive Council of Ontario under Premier Doug Ford. He represents the Kenora—Rainy River riding in the Legislative Assembly of Ontario.

Rickford previously served as the federal Minister of Natural Resources and as the Minister of State for Science and Technology in the cabinet of Prime Minister Stephen Harper. He was elected to the House of Commons in the 2008 federal election and represented the electoral district of Kenora as a member of the Conservative Party until his defeat in the 2015 election.

Rickford was born in Paris, Ontario, on September 24, 1967. He worked as a nurse and lawyer in the remote First Nations communities of the Kenora District.

Rickford was elected to represent the Ontario electoral district of Kenora in the 2008 federal election and re-elected in the 2011 election.

A member of the Conservative Party of Canada, Rickford was the first Conservative MP elected in the Kenora riding and the first right-wing MP to represent the Kenora area since 1921.

Prime Minister Stephen Harper appointed Rickford Parliamentary Secretary for Official Languages on August 30, 2010.

On January 30, 2011, Rickford was appointed Parliamentary Secretary to the Minister of Indian Affairs and Northern Development.

On July 15, 2013, he was appointed the Minister of State (Science and Technology, and Federal Economic Development Initiative for Northern Ontario).