Ernie Hardeman (born December 4, 1947) is a Canadian politician who served as Ontario Minister of Agriculture, Food and Rural Affairs from 2018 to 2021 in the Doug Ford government and as Minister of Agriculture and Food from 1999 to 2001 in the Mike Harris government. He represents the rural riding of Oxford for the Progressive Conservative Party. First elected in 1995, he is the second-longest-serving sitting member of the Legislative Assembly of Ontario and one of two sitting MLAs first elected in the 1990s.