Leslie Royston Johnson AM (22 November 1924 – 26 May 2015) was an Australian politician. He was a member of the Australian Labor Party (ALP) and held ministerial office in the Whitlam Government, serving as Minister for Housing (1972–1973), Works (1973), Housing and Construction (1973–1975), and Aboriginal Affairs (1975). He represented the Division of Hughes in New South Wales from 1955 to 1966 and from 1969 to 1983. He later served as High Commissioner to New Zealand from 1984 to 1985, cutting short his term due to his daughter's ill health.