The 1990 International Rules Series was the fourth series between Australian rules footballers from Australia and Gaelic footballers from Ireland. The series took place in Australia and consisted of three test matches between the Australian and Irish international rules football teams. Ireland won the series by 2–1 and by 24 points over the three test matches.
First test
Venue: Waverley Park, Melbourne
Crowd: 18,332
Second test
Venue: Bruce Stadium, Canberra
Crowd: 7,000
Third test
Venue: WACA, Perth
Crowd: 7,700
Beitzel Medal (Best player for the series) — Jack O’Shea (Ireland)