| Competition: | Campeonato Paulista – Série A1 |
| Season: | 1985 |
| Winners: | São Paulo |
| Continentalcup1: | Série A |
| Continentalcup1 Qualifiers: | São Paulo |
| League Topscorer: | Careca (São Paulo) – 23 goals |
| Biggest Home Win: | São Paulo 5-0 São Bento (July 31, 1985) |
| Biggest Away Win: | Botafogo 0-4 Portuguesa (May 22, 1985) |
| Highest Scoring: | Inter de Limeira 5-2 Comercial (June 6, 1985) |
| Matches: | 386 |
| Total Goals: | 740 |
| Prevseason: | 1984 |
| Nextseason: | 1986 |
The 1985 Campeonato Paulista da Primeira Divisão de Futebol Profissional da Série A1[1] was the 84th season of São Paulo's top professional football league. São Paulo won the championship for the 14th time. São Paulo's Careca was the top scorer with 23 goals. Noroeste and Marília were relegated.[2]
The twenty teams of the championship would all play twice against each other, with the best teams of each half and the two overall best teams qualifying to the Semifinals, and the bottom two teams being relegated.
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