2023 Ulster Senior Football Championship
The 2023 Ulster Senior Football Championship was the 135th installment of the annual Ulster Senior Football Championship organised by Ulster GAA. It was one of the four provincial competitions of the 2023 All-Ireland Senior Football Championship. The winning team received the Anglo-Celt Cup. The draw for the championship was made on 15 October 2022. The [2022 Ulster GAA|Ulster Senior Football Championship|defending champion] was Derry.
Derry successfully defended their title, beating Armagh in the final in a penalty shoot-out.
Teams
General information
Nine counties competed in the Ulster Senior Football Championship:| County | Last Championship Title | Last All-Ireland Title | Position in 2022 Championship |
| Antrim | 1951 | — | Quarter-finals |
| Armagh | 2008 | 2002 | Quarter-finals |
| Cavan | 2020 | 1952 | Semi-finals |
| Derry | 2022 | 1993 | Champions |
| Donegal | 2019 | 2012 | Runners-up |
| Down | 1994 | 1994 | Quarter-finals |
| Fermanagh | — | — | Preliminary round |
| Monaghan | 2015 | — | Semi-finals |
| Tyrone | 2021 | 2021 | Quarter-finals |
Semi-finals
Stadia and attendance
| County | Location | Province | Stadium | Capacity |
| Antrim | Belfast | Ulster | Corrigan Park | 3,700 |
| Armagh | Armagh | Ulster | Athletic Grounds | 18,500 |
| Cavan | Cavan | Ulster | Breffni Park | 25,030 |
| Derry | Derry | Ulster | Celtic Park | 18,500 |
| Donegal | Ballybofey | Ulster | MacCumhaill Park | 17,500 |
| Down | Newry | Ulster | Páirc Esler | 20,000 |
| Fermanagh | Enniskillen | Ulster | Brewster Park | 20,000 |
| Monaghan | Clones | Ulster | St Tiernach's Park | 29,000 |
| Tyrone | Omagh | Ulster | Healy Park | 17,636 |
Statistics
Scoring events
- Widest winning margin: 12 points
- * Fermanagh 2-08 - 3-17 Derry
- Most goals in a match: 5
- * Fermanagh 2-08 - 3-17 Derry
- Most points in a match: 35
- * Tyrone 1-18 - 2-17 Monaghan
- Most goals by one team in a match: 3
- * Fermanagh 2-08 - 3-17 Derry
- Most points by one team in a match: 21
- * Derry 1-21 - 2-10 Monaghan
- Highest aggregate score: 44 points
- * Tyrone 1-18 - 2-17 Monaghan
- Lowest aggregate score: 29 points
- * Cavan 0-12 - 1-14 Armagh