The 1980 Adelaide State of Origin Carnival was the 21st Australian National Football Carnival, an Australian rules football competition. It was just the second carnival to take place under the State of Origin format.
Four states took part, the hosts South Australia, Tasmania, Victoria and the reigning carnival champions Western Australia. Football Park hosted all the fixtures, which took place in October after the football season had ended.
Coach: Neil Kerley
Captain: Rick Davies
Coach: Peter Daniel
Captain: Darryl Sutton
Coach: Tom Hafey
Captain: Kevin Bartlett
Coach: Brad Smith
Captain: Brian Peake
Coach: Tom Hafey