| Season: | 1970 |
| Nextseason: | 1971 |
The 1970 season of the Japan Soccer League was the sixth season of Japanese league football. Toyo Industries won their fifth title and set the record for title wins, but they would not regain the title during the rest of the JSL's existence and would not win the successor league, the J. League Division 1, until 2012.
| JSL | 1st leg | 2nd leg | Senior Cup | |
|---|---|---|---|---|
| Nippon Kokan | 4-0 | 3-0 | Kofu SC (Cup runner-up) | |
| Nagoya Mutual Bank | 1-0 | 1-1 | Toyota Motors (Cup winner) |
| Position | Footballer | Club | Nationality | |
|---|---|---|---|---|
| GK | Koji Funamoto (1) | Toyo Industries | ||
| DF | Hiroshi Katayama (5) | Mitsubishi Motors | ||
| DF | Minoru Kobata (1) | Hitachi | ||
| DF | Yoshitada Yamaguchi (3) | Hitachi | ||
| DF | Daishiro Yoshimura (1) | Yanmar Diesel | ||
| MF | Aritatsu Ogi (5) | Toyo Industries | ||
| MF | Ryuichi Sugiyama (5) | Mitsubishi Motors | ||
| MF | Teruki Miyamoto (5) | Nippon Steel | ||
| MF | Takaji Mori (2) | Mitsubishi Motors | ||
| FW | Kunishige Kamamoto (3) | Yanmar Diesel | ||
| FW | Tadahiko Ueda (1) | Nippon Steel |