2009–10 ABL season
The 2009–10 ASEAN Basketball League season was the first season of competition since its establishment. A total of six teams competed in the league. The regular season began on 10 October 2009 and ended on 24 January 2010, which was followed by a post-season involving the top four teams.
The Philippine Patriots of Philippines had the #1 seed at the conclusion of the regular season.
Teams
| Team | City/Area | Arena / Capacity | Founded | Joined | Team Owners | Head Coach |
| Kuala Lumpur Dragons | Kuala Lumpur, Malaysia | MABA Stadium Putra Stadium | 2009 | 2009 | Datuk Wira Dani Daim & Westport and Partners |  Goh Cheng Huat |
| Philippine Patriots | Metro Manila, Philippines | Filoil Flying V Arena Ynares Sports Arena | 2009 | 2009 | Mikee Romero and Tony Boy Cojuangco |  Louie Alas |
| SM Britama | Jakarta, Indonesia | The BritAma Arena | 1994 | 2009 | Erick Thohir and Mahaka Foundation |  Fictor Roring |
| Singapore Slingers | Singapore | Singapore Indoor Stadium | 2006 | 2009 | Basketball Enterprises Pte. Ltd. |  Frank Arsego |
| Thailand Tigers | Bangkok, Thailand | Nimibutr National Stadium | 2009 | 2009 | Wim Reijnen/Entertainment Asia and partners |  Soontornpong Mawintorn |
| Brunei Barracudas | Bandar Seri Begawan, Brunei Darussalam | Brunei Indoor Stadium | 2009 | 2009 | Nadzaty Azma Azeez and Everwide SC | Geraldo Ramos |
Regular season
Standings
Results
Matches
October
November
December
January
Playoffs
Statistics
Season leaders
Last update: End of Round 11| Category | Player | Team | Stat |
| Points per game | Reggie Larry | Brunei Barracudas | 21.0 |
| Rebounds per game | Nakiea Miller | SM BritAma | 15.3 |
| Assists per game | Reggie Larry | Brunei Barracudas | 4.0 |
| Steals per game | Reggie Larry | Brunei Barracudas | 2.0 |
| Blocks per game | Nakiea Miller | SM BritAma | 5.0 |
Season highs
Last update: End of Round 11| Category | Player | Team | Stat |
| Points | Alex Hartman | SM BritAma | 33 |
| Rebounds | Nakiea Miller | SM BritAma | 22 |
| Assists | Jamal Brown | Kuala Lumpur Dragons | 10 |
| Steals | Reggie Larry | Brunei Barracudas | 6 |
| Blocks | Lonnie Jones Nakiea Miller | Brunei Barracudas SM BritAma | 7 |
| Field goals made | Reggie Larry Rudy Lingganay Michael LeBlanc Chaz Briggs | Brunei Barracudas Kuala Lumpur Dragons Singapore Slingers Thailand Tigers | 11 |
| Three-point field goals made | Alex Hartman | SM BritAma | 6 |
| Free throws made | Alex Hartman | SM BritAma | 12 |