| Team: | San Miguel Beermen |
| Pbayear: | 2009–10 |
| Coach: | Siot Tanquincen |
| 1C-Name: | Philippine Cup |
| 1C-Wins: | 13 |
| 1C-Losses: | 5 |
| 1C-Place: | 1st (tied) |
| 1C-Playoffs: | Semifinals (lost to Purefoods, 4–2) |
| 2C-Name: | Fiesta Conference |
| 2C-Wins: | 13 |
| 2C-Losses: | 5 |
| 2C-Place: | 2nd (tied) |
| 2C-Playoffs: | Runner-up (lost to Alaska, 2–4) |
| Owners: | San Miguel Corporation |
| Manager: | Hector Calma |
| Pol Team: | 3 |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
The 2009–10 San Miguel Beermen season was the 35th season of the franchise in the Philippine Basketball Association (PBA).
See main article: 2009 PBA Draft.
|- bgcolor="#edbebf"| 1| October 14| Barangay Ginebra| 93–86| Ildefonso (19)| Peña (15)| Racela (5)| Araneta Coliseum| 0–1|- bgcolor="#edbebf"| 2| October 17| Alaska| 74–85| Santos, Hontiveros (15)| Peña (13)| Custodio (5)| Panabo, Davao del Norte| 0–2|- bgcolor="#bbffbb"| 3| October 21| Burger King| 117–99| Santos (28)| Santos (18)| Racela (5)| Cuneta Astrodome| 1–2|- bgcolor="#bbffbb"| 4| October 28| Talk 'N Text| 100–90| Santos, Hontiveros (17)| Peña (10)| Custodio (7)| Araneta Coliseum| 2–2|- bgcolor="#bbffbb"| 5| November 4| Rain or Shine| 93–77| Tugade (16)| Santos (9)| Custodio (4)| Araneta Coliseum| 3–2|- bgcolor="#bbffbb"| 6| November 7| Sta. Lucia| 88–69| Santos (21)| Peña (15)| Cortez (4)| Victorias City, Negros Occidental| 4–2|- bgcolor="#bbffbb"| 7| November 11| Purefoods| 92–76| Cortez (22)| Peña (11)| Villanueva (7)| Araneta Coliseum| 5–2|- bgcolor="#bbffbb"| 8| November 15| Barako Bull| 104–89| Santos (33)| Santos (8)| Villanueva (11)| Araneta Coliseum| 6–2|- bgcolor="#bbffbb"| 9| November 21| Coca Cola| 107–84| Hontiveros (17)| Eman (12)| Villanueva (5)| Cebu City| 7–2|- bgcolor="#edbebf"| 10| November 27| Smart Gilas| 96–109| | | | Ynares Center| |- bgcolor="#bbffbb"| 11| November 29| Burger King| 100–85| Santos (27)| Santos (12)| Villanueva (7)| Ynares Sports Arena| 8–2|- bgcolor="#bbffbb"| 12| December 4| Sta. Lucia| 110–94| Hontiveros (21)| Santos (11)| Miranda (9)| Araneta Coliseum| 9–2|- bgcolor="#edbebf"| 13| December 9| Alaska| 116–112 (OT)| Santos (24)| Santos (14)| Villanueva (7)| Araneta Coliseum| 9–3|- bgcolor="#bbffbb"| 14| December 13| Purefoods| 87–80| Santos, Hontiveros (18)| Peña (9)| Villanueva (6)| Araneta Coliseum| 10–3|- bgcolor="#bbffbb"| 15| December 18| Rain or Shine| 104–90| Seigle (20)| Santos (10)| Cortez (8)| Araneta Coliseum| 11–3|- bgcolor="#bbffbb"| 16| December 20| Barangay Ginebra| 91–86 (OT)| Villanueva (17)| Peña (12)| Villanueva, Cortez (4)| Araneta Coliseum| 12–3|- bgcolor="#bbffbb"| 17| January 8| Barako Bull| 94–85| Santos (29)| Santos (12)| Villanueva (10)| Cuneta Astrodome| 13–3|- bgcolor="#edbebf"| 18| January 13| Coca Cola| 107–118| Santos (22)| Santos (11)| Cortez, Miranda (6)| Araneta Coliseum| 13–4|- bgcolor="#edbebf"| 19| January 16| Talk 'N Text| 91–93| Cortez (20)| Washington (13)| Hontiveros (5)| Zamboanga City| 13–5
|- bgcolor="#bbffbb"| 1| February 10| Purefoods| 99–83| Washington, Hontiveros (17)| Washington (10)| Villanueva (6)| Araneta Coliseum| 1–0|- bgcolor="#edbebf"| 2| February 12| Purefoods| 84–103| Seigle (16)| Santos (12)| Cortez, 2 others (3)| Cuneta Astrodome| 1–1|- bgcolor="#bbffbb"| 3| February 14| Purefoods| 88–76| Washington, Hontiveros (15)| Santos (13)| Cortez (9)| Araneta Coliseum| 2–1|- bgcolor="#edbebf"| 4| February 17| Purefoods| 84–97| Ildefonso (17)| Santos (11)| Villanueva (6)| Araneta Coliseum| 2–2|- bgcolor="#edbebf"| 5| February 19| Purefoods| 82–94| Washington (21)| Peña (9)| Villanueva (6)| Araneta Coliseum| 2–3|- bgcolor="#edbebf"| 6| February 21| Purefoods| 78–87| Santos (20)| Santos (8)| Villanueva (5)| Cuneta Astrodome| 2–4|- bgcolor="#bbffbb"| 1| February 10| Barangay Ginebra| 95–88| | | | Araneta Coliseum|
| Players Added Via Draft Via Free Agency
Via Trade
| Players Lost Via Free Agency Via Trade
|
| March 8, 2010 | To Air21 Mike Cortez | To San Miguel Alex Cabagnot |
| March 8, 2010 | To Sta. Lucia Bonbon Custodio | To San Miguel Joseph Yeo |