The 2013 Ulster Senior Club Football Championship was the 46th instalment of the annual competition organised by Ulster GAA. It was one of the four provincial competitions of the 2013–14 All-Ireland Senior Club Football Championship. Crossmaglen Rangers of Armagh were the defending champions, having defeated Kilcoo of Down in the 2012 final. Kilcoo would end their reign as champions at the quarter-final stage. Derry's Ballinderry Shamrocks were crowned Ulster champions for the third time after defeating Donegal champions Glenswilly in the final.