2008 Ulster Senior Football Championship

The 2008 Ulster Senior Football Championship was the 120th installment of the annual Ulster Senior Football Championship held under the auspices of the Ulster GAA. It was won by Armagh who defeated Fermanagh in the final after a replay. This was Armagh's sixth title since the turn of the century and their 14th overall. Fermanagh were appearing in their first final since 1982.

Steven McDonnell, 2003's Player of the Year, was the top scorer, hitting 1-17 in Armagh's run to victory in Ulster. Although defeated after a replay by Down in the first round of the Ulster Championship, Tyrone emerged as victors in the 2008 All-Ireland Senior Football Championship, beating Kerry in the 2008 All-Ireland Senior Football Championship Final.