The 2004 State of Origin series was the 23rd time that the annual three-game series between the Queensland and New South Wales representative rugby league football teams was contested entirely under 'state of origin' selection rules.
Die State of Origin Series 2004 waren die 25. Ausgabe des Rugby-League-Turniers State of Origin. Es bestand aus drei Spielen, die zwischen dem 26. Mai und dem 7. Juli stattfanden. New South Wales gewann die Series 2-1. (de)
The 2004 State of Origin series was the 23rd time that the annual three-game series between the Queensland and New South Wales representative rugby league football teams was contested entirely under 'state of origin' selection rules. (en)