1990–91 Fulham RLFC season

The 1990–91 Fulham RLFC season was the eleventh in the club's history. They competed in the 1990–91 Second Division of the Rugby Football League. They also competed in the 1991 Challenge Cup, 1990–91 Lancashire Cup and the 1990–91 League Cup. They finished the season in 7th place in the second tier of British professional rugby league.