The 1990 All-Ireland Senior Hurling Championship was the 104th staging of the All-Ireland Senior Hurling Championship, the Gaelic Athletic Association's premier inter-county hurling tournament. The draw for the 1990 provincial fixtures took place in November 1989. The championship began on 13 May 1990 and ended on 2 September 1990. Tipperary were the defending champions but were defeated by Cork in the Munster final. London qualified for the championship for the first time in two years.