The 2015 season is Associação Portuguesa de Desportos' ninety fourth season in existence and the club's first consecutive season in the third level of Brazilian football, also the first in their history.

On 20 March, president Ilídio Lico resigned as a president, being replaced by Jorge Manuel Marques Gonçalves.

[1] On 8 April, after a 0–3 away defeat against São Paulo, Portuguesa was again relegated to Campeonato Paulista Série A2 for the third time in its history.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Last updated: 19 October 2015 Source: Match reports in Competitive matches, Soccerway Last updated: 19 October 2015 Source: Match reports in Competitive matches As of 19 October 2015 Source: Match reports in Competitive matches = Number of bookings;   = Number of sending offs after a second yellow card; = Number of sending offs by a direct red card.