Philip Ross Lightfoot (born 11 August 1936) is a former Australian politician. He was a Liberal member of the Australian Senate from 1997 to 2008, representing the state of Western Australia.Lightfoot was born in Port Lincoln, South Australia and was educated at first the Adelaide, and then Kalgoorlie School of Mines. In the 1950s, he spent time as a weekend soldier, as a result of national service. Lightfoot joined the Liberal Party of Australia soon afterwards.