The 2011 ASEAN Basketball League playoffs was the second season of competition since its establishment. A total of four teams competed. The playoffs started after the 2010–11 ABL regular season ended on 15 January 2011 and concluded with the finals.
Semifinals
Slammers vs. Slingers The Chang Thailand Slammers held home court in the deciding game 3 and eliminated in the SIngapore Slingers in Dindeang. Jason Dixon led the Slammers in scoring in the win. Patriots vs. Dragons The Philippine Patriots defeated the Westports KL Dragons on their home floor to clinch a finals berth. Egay Billones and Benedict Fernandez converted three point shots to give the Patriots enough cushion in the final minutes. ==Finals==
Finals
The Chang Thailand Slammers defeated the AirAsia Philippine Patriots, sweeping the finals series in the Philsports Arena in Pasig. Froilan Baguion and Ardy Larong combined for 34 points to lead the Slammers to the title. ==Winners==