1989–90 Sheffield Wednesday F.C. season

The 1989–90 season was Sheffield Wednesday's 88th season in the Football League, and their sixth consecutive season in the Football League First Division, the top tier of English football, where they finished 18th and were relegated to the Second Division. The club also participated in the FA Cup and Football League Cup, being eliminated in the fourth round of the former and the third round of the latter.

Squad
Squad at end of season.