The 1927 Campeonato Paulista was the 26th season of São Paulo's top association football league. Two championships were disputed that season, each by a different league (APEA and LAF).
In the edition organized by the LAF (Liga dos Amadores de Futebol), from 3 April to 30 October. Paulistano won the title for the 10th time. no teams were relegated. The top scorer was Friedenreich with 13 goals.
The championship was disputed in a single round-robin system, with the team with the most points winning the title.
In the edition organized by the APEA (Associação Paulista de Esportes Atléticos) from 3 March 1927 to 11 March 1928. Palestra Itália won the title for the 3rd time. no teams were relegated and the top scorer was Araken with 31 goals.
The championship was disputed in a single round-robin system, with the team with the most points winning the title.