The men's Twenty20 cricket tournament at the 2017 SEA Games took place at Kinrara Oval in Selangor from 26 to 29 August 2017.

[1] 6 teams were split into 2 round-robin groups.

1st placed teams in each group qualified for gold medal final while 2nd placed teams qualified for bronze medal final.

The following was the competition schedule for the men's Twenty20 competitions: All times are Malaysia Standard Time (UTC+08:00) Updated to matches played on 27 August 2017.

Source Updated to matches played on 27 August 2017.