The 1990 Philippine Basketball Association (PBA) All-Filipino Conference was the second conference of the 1990 PBA season.
It started on June 10 and ended on September 4, 1990.
The tournament is an All-Filipino format, which doesn't require an import or a pure-foreign player for each team.
[1] The following format will be observed for the duration of the conference: Group A: Group B:
Two teams had more than 5 wins in the semifinal round and did not finish in the top 2 places in the overall standings.