The 1939–40 Panhellenic Championship was the 11th season of the highest football league of Greece and the last before the WW2 took place.
It was carried out with a system similar to that of the previous season in which 14 teams participated again, 8 from the Central and 6 from North Greece, which were divided into groups.
The champions of South and North, AEK Athens and PAOK, competed in a 2-legged final for the title.
AEK were crowned champions for second consecutive season, with Kleanthis Maropoulos being the protagonist as the last year.
A group with the winners of the Serres, Eastern Macedonia and Thrace local championships.