John Alfred Landau (born 21 January 1930) is a former Rhodesian and Zimbabwean politician.
In 1972, Landau was the manager of the Rhodesian Baseball team that competed in South Africa's inter-provincial tournament.
In 1975, he was head of the Rhodesian contingent at the 14th World Scout Jamboree in Norway.
He was the Chief Scout of Rhodesia while holding parliamentary office, and played a role in the transitional government.
In 1992, Landau was awarded the 222nd Bronze Wolf, the only distinction of the WOSM, awarded by the World Scout Committee for exceptional services to world Scouting.