| Competition: | Primeira Liga |
| Season: | 1969-70 |
| Winners: | Sporting CP 13th title |
| Matches: | 182 |
| Total Goals: | 520 |
| League Topscorer: | Eusébio (20 goals) |
| Prevseason: | 1968–69 |
| Nextseason: | 1970–71 |
Statistics of Portuguese Liga in the 1969/1970 season.
It was contested by 14 teams, and Sporting Clube de Portugal won the championship.