David John Gatenby (born 12 February 1952 in Launceston, Tasmania) is an Australian cricketer, who played for Tasmania. He was a right-handed batsman and leg-spin bowler who represented the team from 1972 until 1979. Gatenby was the president of the Tasmanian Farmers and Graziers Association from 2008–2013. He is currently a member of the Heritage Council of Tasmania, and the Tasmanian Forest Practices Board.