Robert Cummin Katter (born Cummin Robert Katter, 5 September 1918 – 18 March 1990) was an Australian politician who served in the House of Representatives from 1966 to 1990, representing the National Party (originally named the Country Party). He served as Minister for the Army in the McMahon Government in 1972. His sons Bob Katter Jr. and Carl Katter as well as grandson Robbie have also been involved in politics.