2026 League of Ireland First Division
The 2026 League of Ireland First Division, known as the SSE Airtricity Men's First Division for sponsorship reasons, will be the 42nd season of the League of Ireland First Division for men's football. The competition is scheduled to begin on 13 February 2026 and will conclude on 16 October 2026.
Dundalk are the defending champions.
Teams
Team changes
The 2025 League of Ireland First Division, saw Dundalk promoted after one season in the First Division. They replaced Cork City who were relegated from the 2025 League of Ireland Premier Division after a single season in the Premier DivisionPersonnel and kits
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.| Team | Manager | Captain | Kit manufacturer | Shirt sponsor |
| Athlone Town | ![]() League tableResultsTeams play each other four times. |
