Stephen Augustus Lusher (born 18 October 1945) was an Australian politician. Born in Sydney, son of Supreme Court of New South Wales judge, Edwin Lusher, he rose to become Assistant Federal Director of the Country Party National Secretariat. In 1974, he was elected to the Australian House of Representatives, defeating Labor member Frank Olley for the seat of Hume. He was re-elected in 1975, 1977, 1980 and 1983. During the 1983-84 Parliament he was Shadow minister for Transport.