| Competition: | Primeira Liga |
| Season: | 1984-85 |
| Winners: | F.C. Porto 8th title |
| Relegated: | Rio Ave Farense Varzim Vizela |
| Continentalcup1: | European Cup |
| Continentalcup1 Qualifiers: | F.C. Porto |
| Continentalcup2: | Cup Winners' Cup |
| Continentalcup2 Qualifiers: | Benfica |
| Continentalcup3: | UEFA Cup |
| Continentalcup3 Qualifiers: | Sporting CP (first round) Boavista (first round) Portimonense (first round) |
| Matches: | 240 |
| Total Goals: | 669 |
| League Topscorer: | Fernando Gomes (39 goals) |
| Prevseason: | 1983–84 |
| Nextseason: | 1985–86 |
Statistics of Portuguese Liga in the 1984/1985 season.
It was contested by 16 teams, and F.C. Porto won the championship.
| Rank | Player | Club | Goals[1] |
|---|---|---|---|
| 1 | Fernando Gomes | Porto | 39 |
| 2 | Michael Manniche | Benfica | 16 |
 Serge Cadorin | Portimonense | ||
| Manuel Fernandes | Sporting | ||
| 5 | Djão | Belenenses | 13 |
 Tonanha | Salgueiros | ||
| Pedro Xavier | Académica de Coimbra | ||
| Zinho | Braga | ||
| 9 | Eldon | Portugal | 11 |
| Jaime Magalhães | Porto | ||
| José Ribeiro | Académica de Coimbra |