1990–91 Hellenic Football League

The 1990–91 Hellenic Football League season was the 38th in the history of the Hellenic Football League, a football competition in England.

Premier Division
The Premier Division featured 14 clubs which competed in the division last season, along with four new clubs:
 * Banbury United, relegated from Southern Football League
 * Carterton Town, promoted from Division One
 * Milton United, promoted from Division One
 * Hounslow, demoted from the Southern Football League

Division One
Division One featured 13 clubs which competed in the division last season, along with three new clubs:
 * Cinderford Town, joined from the Gloucestershire County League
 * North Leigh, joined from the Witney and District League
 * Supermarine, relegated from the Premier Division

Also, The Herd changed name to Cirencester United.