The 2025–26 Super League 2 will be the seventh season of the Super League 2, the second-tier Greek professional league for association football clubs, since the restructuring of the Greek football league system.
The championship is scheduled to begin on 14 September 2025. 
Competition.
The championship is planned on being held with the participation of 20 teams again, but the competition's way of conduct remains to be finalized with the two options being one united group or again with two groups as last season. As of 15 May 2025, all twenty teams have mathematically ensured their survival in the league. 
Way of Conduct.
Remains to be seen.
Promotion and Relegation.
Remains to be seen.
Team changes.
From Super League Greece 2.
Promoted to Super League 
Relegated to Gamma Ethniki
Dissolved
To Super League Greece 2.
Relegated from Super League 1
Promoted from Gamma Ethniki
Invited to fill the gap of B Team