The 2000 All-Ireland Senior Hurling Championship (also known as the Guinness Hurling Championship for sponsorship reasons) was the 114th staging of the All-Ireland Senior Hurling Championship, the Gaelic Athletic Association's premier inter-county hurling tournament. The draw for the 2000 fixtures took place on 14 November 1999. The championship began on 6 May 2000 and ended on 10 September 2000. Cork were the defending champions but were defeated by Offaly in the All-Ireland semi-final. Carlow, New York and Westmeath fielded teams after long absences.