Lieutenant-General Sir Edric Montague Bastyan KCMG KCVO KBE CB (5 April 1903 – 6 October 1980) was a senior British Army officer, who became Governor of South Australia from 4 April 1961 until 1 June 1968 then Governor of Tasmania from 2 December 1968 until 30 November 1973. He was the last British person to be governor of either state.
After studies at the Royal Military Academy, Woolwich, Bastyan was commissioned as a second lieutenant into the British Army's Sherwood Foresters on 30 August 1923, and promoted to lieutenant on 30 August 1925. He was promoted to captain in the West Yorkshire Regiment on 4 April 1935 and attended the Staff College, Camberley from 1936–1937, transferring to the Royal Irish Fusiliers in 1937, and seeing service in Palestine from 1938–1939. Bastyan was promoted to major on 30 August 1940.