The 2019–20 GenSan Warriors season was the second season of the franchise in the Maharlika Pilipinas Basketball League (MPBL).
General Santos went off to a hot start to the season by going 10–2 through the first twelve games, which included an eight-game winning streak.
Despite that, the Warriors only managed to win eight of the remaining eighteen games, finishing with an 18–12 record and the seventh seed in the South Division.
[1] They would then be swept by the Bacoor City Strikers in the Division Quarterfinals.
[2] The team only hosted one home game this season, which took place at the Lagao Gymnasium on November 28.