Antonio De Paulo "Tony" Buti (born 20 August 1961) is an Australian politician. He has been a Labor Party member of the Western Australian Legislative Assembly representing the seat of Armadale since 2 October 2010, when he was elected in a by-election. He was also chairman of the Armadale Redevelopment Authority prior to the reformation of the Redevelopment Authorities into the Metropolitan Redevelopment Authority, and subsequently, DevelopmentWA.