Statistics of Japanese Regional Leagues for the 1991 season.
Champions list Region ChampionsHokkaido Sapporo MazdaTohoku NEC YamagataKantō Nissan Motors FarmHokushin'etsu TeihensTōkai Seino TransportationKansai Osaka GasChūgoku Mazda ToyoShikoku TeijinKyushu NTT Kyushu
League standings Hokkaido
Tohoku
Kantō
Hokushin'etsu
Tōkai
Kansai
Chūgoku
Shikoku
Kyushu