The 1991–92 season in Japanese football was the last of the old Japan Soccer League before the transition period into the J.League.
| Competition: | Japan Soccer League First Division |
| Season: | 1991–92 |
| Winners: | Yomiuri SC 5th title |
| Continentalcup1: | Asian Club Championship |
| Continentalcup1 Qualifiers: | Yomiuri SC |
| Continentalcup2: | Asian Cup Winners' Cup |
| Continentalcup2 Qualifiers: | Nissan Motors SC |
| Relegated: | Yamaha Motors Toshiba Hitachi Honda |
| League Topscorer: | Toninho (18 goals) |
| Matches: | 132 |
| Total Goals: | 318 |
| Average Attendance: | 6,707 |
| Prevseason: | 1990–91 |
| Nextseason: | 1993 (J1) |