The 2006 International Rules Series (officially the 2006 Coca-Cola International Rules Series) was the 13th annual International Rules Series and was played between Ireland and Australia. The 2006 series involved two sell-out test matches, the first in Galway and the second in Dublin. Both of the matches were landmark matches for international rules tests in Ireland: the Galway test was the first international rules series match to be played under floodlights and the Dublin crowd was the largest crowd in the history of international sport in Ireland.