2019 Thai League 3 Upper Region

2019 Thai League 3 Upper Region is the 3rd season of the Thai football league. It is a part of the Thai League 3 and the feeder league for the Thai League 2. A total of 14 teams will compete in the league this season.

Promoted clubs
Three clubs were promoted from the 2018 Thai League 4
 * Khonkaen United

Two clubs were promoted to the 2019 Thai League 2
 * JL Chiangmai United
 * Ayutthaya United

Relegated clubs
A club was relegated to the 2019 Thai League 4 Northeastern Region
 * Kalasin

A club was relegated from the 2018 Thai League 2
 * Angthong

Moved clubs

 * Simork were moved from the Lower Region.

Withdrawn clubs

 * Simork was suspended from the 2019 campaign after avoiding payment to athletes and team staff.

Top scorers

 * As of 8 September 2019.

Attendance by home match played
Since 31 March 2019 Simork had suspended. But statistics of attendances are continue counting. Source: Thai League 3

Note: Unk.1 Some error of T3 official match report 21 August 2019 (Bangkok 2–2 Lamphun Warrior).