1991–92 League of Ireland First Division

The 1991–92 League of Ireland First Division season was the seventh season of the League of Ireland First Division, the second tier of the league system.

Overview
The First Division was contested by 10 teams and Limerick City F.C. won the division. Limerick were managed by Sam Allardyce, who was player-manager for one season only, taking Limerick back to the Premier Division a year after they were relegated.