| Competition: | L. League |
| Season: | 1991 |
| Winners: | Yomiuri SC Ladies Beleza 2nd L. League title |
| League Topscorer: | Takako Tezuka (29 goals) |
| Prevseason: | 1990 |
| Nextseason: | 1992 |
Statistics of L. League in the 1991 season. Yomiuri SC Ladies Beleza won the championship.
