The 94 clubs will be divided into 8 groups (regions).
Nongbua Pitchaya won 3–2 on aggregate.
Udon Thani won 3–0 on aggregate.
Nongbua Pitchaya won on away goals.
Following the death of King Bhumibol Adulyadej, the Football Association of Thailand cancelled the remaining league season on 14 October 2016.