Frank McLeod Kirwan (23 October 1937 – 28 October 1976) was an Australian politician. Born in Norseman, Western Australia, he was educated at state schools and the School of Mines in Norseman, Western Australia, after which he became an electrical fitter. He was an official with the Electrical Trades Union and was also a Methodist minister. He held the seat until his defeat in 1972 by Liberal Peter Drummond, even as Labor finally ended 23 years of Coalition rule.