1989–90 Hellenic Football League

The 1989–90 Hellenic Football League season was the 37th 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:
 * Almondsbury Picksons, promoted from Division One
 * Headington Amateurs, promoted from Division One
 * Newport, reformed club after Newport County folded
 * Ruislip Park, joined after Ruislip from the Southern Football League left the league.

Also, Penhill changed name to Swindon Athletic.

Division One
Division One featured 13 clubs which competed in the division last season, along with three new clubs:
 * Milton United, joined from the North Berks League
 * Viking Sports, relegated from the Premier Division
 * Wallingford Town, relegated from the Premier Division