The 1974–75 Hellenic Football League season was the 22nd in the history of the Hellenic Football League, a football competition in England.
It was also the first season in which the Hellenic League used three points for a win.
The Premier Division featured 13 clubs which competed in the division last season, along with four new clubs, promoted from Division One: Also, Thatcham changed name to Thatcham Town.
The Division One featured 11 clubs which competed in the division last season, along with 3 new clubs: