| Season | 2019 |
|---|---|
| Dates | 9 February 2019 – 31 August 2019 |
| Champions | Hua Hin City |
| Relegated | Look E San |
| T4 Champions League | Hua Hin City Chainat United |
| Matches played | 108 |
| Goals scored | 327 (3.03 per match) |
| Top goalscorer |  Sutin Iamsa-ard(11 goals; Hua Hin City) Suriyakarn Chimjeen(11 goals; Saraburi United) |
| Biggest home win | 7 goals difference Hua Hin City 7–0 Ratchaburi Mitr Phol (B) (27 April 2019) |
| Biggest away win | 7 goals difference Ratchaburi Mitr Phol (B) 0–7 Assumption United (9 June 2019) |
| Highest scoring | 11 goals Chainat United 3–8 Look E San (1 June 2019) |
| Longest winning run | 6 matches Assumption United |
| Longest unbeaten run | 14 matches Assumption United |
| Longest winless run | 11 matches Saraburi United |
| Longest losing run | 10 matches Ratchaburi Mitr Phol (B) |
| Highest attendance | 1,435 Saraburi United 1–1 Chainat Hornbill (B) (2 March 2019) |
| Lowest attendance | 37 Samut Songkhram 2–0 IPE Samut Sakhon United (31 July 2019) |
| Total attendance | 26,279 |
| Average attendance | 250 |
← 2018 | |
The 2019 Thai League 4 Western region is a region in the regional stage of the 2019 Thai League 4. A total of 9 teams located in Western, Central, and Bangkok Metropolitan Region of Thailand will compete in the league of the Western region.