2017 Thai League 4 Western Region

2017 Thai League 4 Western Region is the 5th season of the League competition since its establishment in 2013. It is in the 4th tier of the Thai football league system.

Promoted clubs
Four club was promoted to the 2017 Thai League 3 Southern Region.
 * Samut Sakhon
 * Krung Thonburi
 * Ratchaphruek University
 * Simork

Relegated clubs

 * Thonburi City were relegated to the 2016 Thai Division 3 Tournament Central Region with were collapsed Thonburi University.

Relocated clubs

 * Look Isan and Pathum Thani United were moved from the Bangkok & Eastern 2016.
 * Chumphon were moved to the 2017 Thai League 4 Southern Region.

Expansion clubs

 * BTU United was promoted to the 2017 Thai League 3 but this Club-licensing football club didn't pass to play 2017 Thai League 3. This team is relegated to 2017 Thai League 4 Western Region again.

Reserving clubs

 * Ratchaburi B is Ratchaburi Reserving this team which join Northern Region first time.
 * Suphanburi B is Suphanburi 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 9 September 2017.