George Cummins Morphett (1876 - 1963) was an Australian politician. He was a member of the South Australian House of Assembly from 1933 to 1938, representing the electorate of Murray.^[1][2]

Morphett was born in Adelaide, the grandson of Sir John Morphett and son of John Cummins Morphett, clerk of the House of Assembly from 1901 to 1918.^[3]

He published a number of works about his grandfather, including "The Life And Letters Of Sir John Morphett"^[4] and his grandfather's entry in the Australian Dictionary of Biography.^[5] Other works include:

• Captain Francis Davison of Blakiston, Adelaide : Pioneers' Association of S.A., 1943
• The Bakers of Morialta : Hon. John Baker, M.L.C., J.P., F.R.G.S. and his son Sir Richard Chaffey Baker, K.C.M.G., Q.C., M.A. (Cantab), Adelaide : Pioneers' Association of S.A., 1946
• John Ainsworth Horrocks, Adelaide : Pioneers' Association of S.A., 1946
• The Beare Family, Adelaide : Pioneers' Association of South Australia, 1942
• Founders of South Australia, Adelaide : Pioneers' Association of S.A., 1944

and numerous others