| Club: | Louth county football team |
| Season: | 2023 |
| Manager: | Mickey Harte |
| League: | NFL D2 |
| League Result: | 3rd |
| Cup1: | All-Ireland SFC |
| Cup1 Result: | Group stage |
| Cup2: | Leinster SFC |
| Cup2 Result: | Finalist |
| Cup3: | O'Byrne Cup |
| Cup3 Result: | Finalist |
| League Topscorer: | Sam Mulroy (in league, with 0-19) |
| Prevseason: | 2022 |
| Nextseason: | 2024 |
The following is a summary of Louth county football team's 2023 season.
See main article: 2023 O'Byrne Cup. Games took place 4–11 January 2023. Louth were placed in Group A.
See main article: 2023 National Football League (Ireland).
See main article: 2023 Leinster Senior Football Championship. The draw for the 2023 Leinster Championship was made on 15 October 2022.[1]
See main article: 2023 Leinster Senior Football Championship final.
Louth were drawn into Group 1.