The Ulster U-21 Hurling Championship, or for sponsorship reasons the Erin Ulster Under-21 Hurling Championship, is an Under 21 hurling tournament between counties affiliated to Ulster.
The most successful county to date are Antrim who have won the competition on 36 occasions.
[1] Antrim had won the 2009 title by beating Derry.
[2] In 2011, Antrim completed a three in a row of titles, beating Armagh.
Armagh, Cavan, Donegal, Fermanagh, Monaghan and Tyrone have never won an Under-21 hurling championship.