1989–90 Fulham RLFC season

The 1989–90 Fulham RLFC season was the tenth in the club's history. They competed in the 1989–90 Second Division of the Rugby Football League. They also competed in the 1990 Challenge Cup, 1989–90 Lancashire Cup and the 1989–90 League Cup. They finished the season in 8th place in the second tier of British professional rugby league.