The 2005–06 Alaska Aces season was the 20th season of the franchise in the Philippine Basketball Association (PBA).
Key dates August 14: The 2005 PBA Draft took place in Sta. Lucia East Grand Mall, Cainta, Rizal.
Draft picks
Round Pick Player Height Position Nationality College 2 15 Mark Joseph Kong 6'8" Center Adamson
Roster
Fiesta Conference
Game log
|- bgcolor="#bbffbb" | 1 | October 5 | Sta. Lucia | 80–75
| Araneta Coliseum | 1–0 |- bgcolor="#edbebf" | 2 | October 9 | Red Bull | 75–76 | McClary (23)
| Araneta Coliseum | 1–1 |- bgcolor="#edbebf" | 3 | October 14 | Purefoods | 84–86 OT | McClary (27)
| Cuneta Astrodome | 1–2 |- bgcolor="#bbffbb" | 4 | October 19 | Brgy.Ginebra | 102–72 | McClary (32)
| Araneta Coliseum | 2–2 |- bgcolor="#bbffbb" | 5 | October 21 | Air21 | 111–108 (2OT) | Cariaso (22)
| Araneta Coliseum | 3–2 |- bgcolor="#bbffbb" | 6 | October 28 | Coca-Cola
| Cuneta Astrodome | 4–2
|- bgcolor="#bbffbb" | 7 | November 2 | Red Bull | 81–64 | McClary (31)
| Cuneta Astrodome | 5–2 |- bgcolor="#edbebf" | 8 | November 6 | Talk 'N Text | 79–101 | Cariaso (17)
| Araneta Coliseum | 5–3 |- bgcolor="#edbebf" | 9 | November 13 | Coca-Cola | 63–86 | McClary (17)
| Araneta Coliseum | 5–4 |- bgcolor="#edbebf" | 10 | November 16 | Air21 | 83–88 | McClary (15)
| Araneta Coliseum | 5–5 |- bgcolor="#edbebf" | 11 | November 19 | Purefoods | 69–78
| Lucena City | 5–6 |- bgcolor="#edbebf" | 12 | November 23 | San Miguel | 62–66
| Araneta Coliseum | 5–7
|- bgcolor="#bbffbb" | 13 | December 7 | Sta. Lucia | 87–82 | Cariaso (17)
| Ynares Center | 6–7 |- bgcolor="#edbebf" | 14 | December 17 | Talk 'N Text | 84–92 | Bradley (23)
| Balanga, Bataan | 6–8 |- bgcolor="#bbffbb" | 15 | December 21 | San Miguel
| Cuneta Astrodome | 7–8 |- bgcolor="#edbebf" | 16 | December 25 | Brgy.Ginebra | 89–96 | Bradley (34)
| Cuneta Astrodome | 7–9
Transactions
Trades March, 2006 To Alaska AcesNic Belasco To San Miguel BeermenBrandon Cablay Mark Kong May 8, 2006 To Alaska AcesWillie Miller, John Ferriols To Talk 'N TextDon Allado
Additions Player Signed Former team Rensy Bajar March 2006 Shell Turbo Chargers Eddie Laure March 2006 Purefoods Chunkee Giants
Subtractions Player Signed New team Rich Alvarez March 2006 Red Bull Barako Stephen Padilla March 2006 Air21 Express
References