John Mead Hallett (9 October 1917 – 9 August 1999) was an Australian politician. Born in Rexdale, a suburb of Toronto in Canada, his family moved to Australia in 1919 where he was educated at Guildford Grammar School in Perth, after which he became a farmer at Corrigin. He was the director of Farmers' Weekly before becoming President of the Western Australian Country Party in 1962; the following year, he relinquished the presidency to run for the Australian House of Representatives in the Liberal-held seat of Canning. Hallett was successful, and held the seat until his defeat in 1974. He died in 1999.