David Amos Arblaster, (16 November 1929 – 10 August 2006) was a New South Wales politician, Minister for Culture, Sport and Recreation and Minister for Tourism in the cabinet of Sir Eric Willis until the Liberal party lost the 1976 election. Arblaster was elected to the New South Wales Legislative Assembly for the Electoral district of Mosman in 1972 and served until his retirement in 1984.