| Competition: | Primeira Liga |
| Season: | 1972–73 |
| Winners: | Benfica 20th title |
| Matches: | 240 |
| Total Goals: | 691 |
| League Topscorer: | Eusébio (40 goals) |
| Prevseason: | 1971–72 |
| Nextseason: | 1973–74 |
The 1972–73 Primeira Divisão was the 39th season of top-tier football in Portugal.
It was contested by 16 teams. S.L. Benfica won the championship, with 28 victories, 0 losses and 2 draws.
| Rank | Player | Club | Goals[1] | |
|---|---|---|---|---|
| 1 | Eusébio | Benfica | 40 | |
| 2 |  Flávio Minuano | Porto | 21 | |
| 3 |  Héctor Yazalde | Sporting | 19 | |
| 4 | Nélson | Sporting | 18 | |
| 5 | Duda | Vitória de Setúbal | 17 | |
| Abel | Porto | |||
| 7 | Francisco González | Belenenses | 16 | |
| 8 | Arcanjo | Vitória de Setúbal | 14 | |
| Moinhos | Boavista | |||
| 10 | José Torres | Vitória de Setúbal | 13 |