2018 Thai League 4 Western Region

2018 Thai League 4 Western Region is the 6th season of the League competition since its establishment in 2013. It is in the 4th tier of the Thai football league system.

Promoted Clubs
Promoted from the 2017 Thailand Amateur League Central Region
 * Chainat United

Promoted to the 2018 Thai League 3 Lower Region
 * BTU United

Promoted to the 2018 Thai League 3 Upper Region
 * Muangkan United

Relegated Clubs
Relegated from the 2017 Thai League 2
 * Nakhon Pathom United
 * Samut Songkhram

Relegated to the 2017 Thailand Amateur League Central Region
 * Pathum Thani United

Withdrawn Clubs
Ratchaburi Mitr Phol B and Suphanburi B were taking a 1-year break.

Expansion Clubs

 * Nakhon Pathom United and Samut Songkhram Club-licensing football club didn't pass to play 2018 Thai League 2. This team were relegated to 2018 Thai League 4 Western Region.

Reserving Clubs

 * Chainat Hornbill U-23 is Chainat Hornbill Reserving this team which join Northern Region first time.

Results 3rd match for each team
In the third leg, the winner on head-to-head result of the first and the second leg will be home team. If head-to-head result are tie, must to find the home team from head-to-head goals different. If all of head-to-head still tie, must to find the home team from penalty kickoff on the end of each second leg match (This penalty kickoff don't bring to calculate points on league table, it's only the process to find the home team on third leg).

Top scorers

 * As of 25 August 2018. 

Attendances by home match played
Source: Thai League 4 Note: Unk.1 Some error of T4 official match report 28 April 2018 (IPE Samut Sakhon United 1–1 Nonthaburi).