1989 Refuge Assurance League

The 1989 Refuge Assurance League was the twenty-first competing of what was generally known as the Sunday League. The competition was won for the third time by Lancashire County Cricket Club.

Refuge Assurance Cup
Following the end of the Sunday League season, the top four teams in the Sunday League competed for the Refuge Assurance Cup. Essex emerged as victors, defeating Nottinghamshire in the final.