The knockout stage was the second and final stage of the 2016 AFF Championship, following the group stage. It was played from 3 to 17 December with the top two teams from each group (two in total) advanced to the knockout stage to compete in a single-elimination tournament. Each tie was played on a home-and-away two-legged basis. The away goals rule, extra time (away goals do not apply in extra time) and penalty shoot-out were used to decide the winner if necessary.
Thailand won 3âÂÂ2 on aggregate against Indonesia in the final to win their record fifth title.
The top two placed teams from each of the two groups advanced to the knockout stage. In Group A, Thailand secured the group's top spot with 9 points after defeating hosts Philippines 1âÂÂ0 in their last match while Indonesia became the group's runners-up with 4 points after beating Singapore 2âÂÂ1. Meanwhile, in Group B, Vietnam secured the top spot with 9 points after defeating Cambodia 2âÂÂ1 in their last match while hosts Myanmar became the group's runners-up with 6 points after defeating Malaysia 1âÂÂ0.
The schedule of each round was as follows.
Scores after extra time are indicated by (a.e.t.), and penalty shoot-out are indicated by (pen.).
<section begin=Semi-finals />
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<section begin=Final />
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<section end=Final />