The 2019 Ulster Senior Football Championship is the 131st instalment of the annual Ulster Senior Football Championship organised by Ulster GAA. It is one of the four provincial competitions of the 2019 All-Ireland Senior Football Championship. The winners receive The Anglo-Celt Cup. The draw for the championship was made on 12 October 2018. Donegal were the defending champions, and successfully retained their title, defeating Cavan in the final.