| Season | 2018 |
|---|---|
| Champions | Nakhon Pathom United |
| Relegated | Nonthaburi |
| Matches played | 108 |
| Goals scored | 261 (2.42 per match) |
| Top goalscorer |  Olveira Silva Diego(29 goals) |
| Biggest home win | Nakhon Pathom United 5–0 Look Isan (17 February 2018) Nakhon Pathom United 5–0 Chainat Hornbill U-23 (22 April 2018) |
| Biggest away win | Chainat Hornbill U-23 1–5 Nakhon Pathom United (11 February 2018) |
| Highest scoring | 9 goals Look Isan 4–5 Chainat United (25 February 2018) |
| Longest winning run | 13 matches Nakhon Pathom United |
| Longest unbeaten run | 13 matches Nakhon Pathom United |
| Longest losing run | 5 matches Chainat Hornbill U-23 |
| Highest attendance | 1,250 Nakhon Pathom United 1–0 Chainat United (24 March 2018) |
| Lowest attendance | 30 IPE Samut Sakhon United 3–1 Chainat United (12 May 2018) |
| Total attendance | 31,010 |
| Average attendance | 293 |
← 2017 2019 → | |
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.