| 2023 Leinster SFC | |
| Year: | 2023 |
| Captain: | James McCarthy |
| Winners: | Dublin |
| Ordinal: | 62 |
| Runnersup: | Louth |
| Previous: | 2022 |
| Next: | 2024 |
The 2023 Leinster Senior Football Championship was the 2023 iteration of the Leinster Senior Football Championship organised by Leinster GAA.
Dublin were defending champions.[1]
Eleven counties will compete in the Leinster Senior Football Championship:
| County | Last Championship Title | Last All-Ireland Title | Position in 2022 Championship | Last losing finalist | |
|---|---|---|---|---|---|
| Carlow | 1944 | - | Preliminary round | 1942 | |
| Dublin | 2022 | 2020 | Champions | 2001 | |
| Kildare | 2000 | 1928 | Runners-up | 2022 | |
| Laois | 2003 | - | Preliminary round | 2018 | |
| Longford | 1968 | - | Quarter-finals | 1965 | |
| Louth | 1957 | 1957 | Quarter-finals | 2010 | |
| Meath | 2010 | 1999 | Semi-finals | 2020 | |
| Offaly | 1997 | 1982 | Preliminary round | 2006 | |
| Westmeath | 2004 | - | Semi-finals | 2016 | |
| Wexford | 1945 | 1918 | Quarter-finals | 2011 | |
| Wicklow | - | - | Quarter-finals | 1897 |
| County | Manager | Captain | Sponsors | |
|---|---|---|---|---|
| Carlow | Niall Carew | Sean Gannon | SETU | |
| Dublin | Dessie Farrell | James McCarthy | AIG | |
| Kildare | Glenn Ryan | Mick O'Grady | Brady Family | |
| Laois | Billy Sheehan | Trevor Collins and Evan O’Carroll | MW Hire Group | |
| Longford | Paddy Christie[2] | Michael Quinn | Glennon Brothers | |
| Louth | Mickey Harte | Sam Mulroy | STATSports | |
| Meath | Colm O'Rourke | Shane McEntee | Bective Stud, Tea Rooms and Apartments | |
| Offaly | Liam Kearns | Declan Hogan | Glenisk | |
| Westmeath | Dessie Dolan[3] | Kevin Maguire | Renault | |
| Wexford | John Hegarty | Liam Coleman | Zurich Insurance Group | |
| Wicklow | Oisín McConville[4] | Padraig O’Toole | Joule |
See main article: 2023 Leinster Senior Football Championship final.