The STL Division 1 or Sepak Takraw League Division 1, is the second tier level of the Sepak Takraw League, the Malaysian men's professional league for sepak takraw, a sport native to Southeast Asia.

Contested by 10 clubs, it operates on a system of promotion and relegation with the Sepak Takraw League.

Originally founded in 2014 as a single league season, the league system underwent another major revamp by introducing a promotion and relegation system after 2015 season.

[1] The new format was well-received, with the viewership of STL hitting a new record of 5.6 million viewers in the 2016 season, improving from 4.8 million viewers a year earlier.

[2] All competitions under the league use the official International Sepaktakraw Federation (ISTAF) rules and regulation.