1991 Liga Semi-Pro Divisyen 1
| Season | 1991 |
|---|---|
| Champions | Johor 1st title |
| Relegated | Kedah Kelantan |
| Matches | 162 |
← 1990 1992 → | |
The 1991 Liga Semi-Pro Divisyen 1 was the third season of the Liga Semi-Pro Divisyen 1. A total of 10 teams participated in the season.
Terengganu and Kelantan were promoted from 1990 Liga Semi-Pro Divisyen 2.
Under the new format, only the top six teams in Divisyen 1 and the Divisyen 2 champions and runners-up will be involved in the Malaysia Cup. Malaysia Cup was played from the quarter-final stage, scheduled for November after the league was finished. The Malaysia Cup quarter-final and semi-final matches will be played on a home and away basis.
The season kicked off on 27 April 1991. Johor ended up the season by winning the title.