William Albert Landeryou (born 17 April 1941), Australian politician, was leader of the Australian Labor Party in the Victorian Legislative Council and a minister in the Labor government of John Cain.
Landeryou was born in the Melbourne suburb of Moonee Ponds, the son of a timber worker. He left school at 15 and worked for a trucking company. He was active in the Storemen and Packers' Union (now the National Union of Workers), becoming an organiser in 1966, Victorian State Secretary in 1969, federal secretary in 1974 and federal president in 1979. He also became a director of 133 Sydney Rd Ltd, a company controlled by the union, which owned the R.J. Hawke Hotel, a hotel in Sydney Rd, Brunswick.
Landeryou was active also in the Australian Labor Party, and was President of Victorian Young Labor in 1964-66. A supporter of the party's right-wing faction, and a close ally of the President of the Australian Council of Trade Unions, Bob Hawke, Landeryou became a member of the party's Victorian Administrative Committee following the removal in 1971 of the left-wing group which had been disproportionately influential in the Victorian Labor Party since 1955.
In 1976 Landeryou were elected to the Legislative Council as member for Doutta Galla Province, a safe Labor seat in the north-western suburbs of Melbourne. The Opposition Leader, Clyde Holding, appointed him shadow minister for ethnic affairs and consumer affairs. In 1978 Frank Wilkes - who had taken over from Holding as Opposition Leader a year beforehand - appointed Landeryou shadow minister for local government. Landeryou became ALP leader in the Council soon afterwards.
During 1981 Landeryou decided that Wilkes (who had, admittedly, come very close to defeating Liberal Premier Sir Rupert Hamer at the 1979 poll) could not possibly win the next state election, due in 1982. Accordingly, Landeryou supported the deposition of Wilkes and the appointment in Wilkes's stead of John Cain. This took place in September 1981. Cain appointed Landeryou shadow minister for employment.
When Cain led Labor to an easy victory in the April 1982 election, forming the first Labor government in Victoria for 27 years, Landeryou was appointed Minister for Economic Development and Tourism. In December 1982 he became Minister for Industrial Affairs and he was also made Minister for Labour and Industry.
Landeryou continued to serve in the Legislative Council until the defeat of the Labor government in 1992. He then resigned to allow future Premier John Brumby to enter Parliament. Since leaving Parliament Landeryou has remained active in Labor Party affairs and pursued a career in business. His son, Andrew Landeryou, is a lawyer and the editor of a well-known political blog, VEXNEWS.