| Competition: | Hong Kong First Division |
| Season: | 1979–80 |
| Winners: | Seiko |
| Relegated: | Kui Tan Urban Services |
| Matches: | 132 |
| Total Goals: | 353 |
| Prevseason: | 1978–79 |
| Nextseason: | 1980–81 |
The 1979–80 Hong Kong First Division League season was the 69th since its establishment.