Statistics of Japan Soccer League for the 1979 season.
First Division
Promotion/relegation Series JSL Division 1 1st leg 2nd leg JSL Division 2 Nippon Kokan 0-0(PK3-4) 1-2 Yamaha Motors Nissan Motors 4-1 2-1 Toshiba Horikawa-cho Yamaha promoted, NKK relegated.
Second Division
Promotion/relegation Series JSL 1st leg 2nd leg Regional Series Teijin SC Matsuyama 2-1 1-1 Kyoto Shiko Club Sumitomo 1-0 3-1 Daikyo Oil No relegations. Due to withdrawal of Yanmar Club, Yanmar Diesel's B-squad, Daikyo was promoted.
References Japan - List of final tables (RSSSF)