Statistics of Japan Soccer League for the 1977 season. This was the inaugural season of the Regional League promotion series, which replaced the Senior Cup as the source of the clubs promoted from the regional Japanese football leagues.

First Division

PosTeamPldWPKWPKLLGFGAGDPtsQualification
1Fujita18141216415+4960Champions
2Mitsubishi Motors1894323421+1347
3Hitachi1894233625+1146
4Toyo Industries1892253820+1842
5Yanmar Diesel1883253928+1140
6Furukawa Electric1882083331+236
7Nippon Steel1832671429−1522
8Nippon Kokan18332102827+120
9Fujitsu1832491838−2020To promotion/relegation Series
10Toyota Motors18100171181−704

Promotion/relegation Series

JSL Division 11st leg2nd legJSL Division 2
Fujitsu3-13-0Nissan Motors
Toyota Motors0-20-2Yomiuri

Yomiuri promoted, Toyota Motors relegated.

Second Division

PosTeamPldWPKWPKLLGFGAGDPtsQualification
1Yomiuri18111154119+2247To promotion/relegation Series with Division 1
2Nissan Motors1884332318+543
3Sumitomo Metal1864353332+135
4Yanmar Club1864082524+132
5Kofu Club1862462828032
6Kyoto Shiko Club1854362637−1131
7Honda1853372524+129
8Teijin Matsuyama1853372431−729
9Furukawa Electric Chiba1852471928−928To promotion/relegation Series with Regional Series finalists
10Tanabe Pharmaceutical1860392124−327

Promotion/relegation Series

JSL1st leg2nd legRegional Series
Furukawa Electric Chiba0-0(PK2-4)1-3Toshiba Horikawacho (Runner-up)
Tanabe Pharmaceutical3-10-1Yamaha Motors (Champion)

Toshiba promoted, Furukawa Chiba relegated.