| Tournament details | |
|---|---|
| Country |  Japan |
| Final positions | |
| Champions | Furukawa Electric |
| Runner-up | Fujita Industries |
| Semifinalists | |
Statistics of JSL Cup in the 1978 season.
| Tournament details | |
|---|---|
| Country | Japan |
| Final positions | |
| Champions | Furukawa Electric |
| Runner-up | Fujita Industries |
| Semifinalists | |
Statistics of JSL Cup in the 1978 season.