| Season: | 2018 |
| Competition: | 2018 T3 Upper Region |
| Winners: | JL Chiangmai United |
| League Topscorer: |  Chatchai Narkwijit(20 goals) |
| Biggest Home Win: | 4 goals difference (17 March 2018) (1 April 2018) (5 May 2018) (21 July 2018) (5 August 2018) |
| Biggest Away Win: | 5 goals difference (7 July 2018) |
| Highest Scoring: | 7 goals (13 May 2018) (7 July 2018) (29 July 2018) (25 August 2018) |
| Highest Attendance: | 3,116[1] (18 August 2018) |
| Lowest Attendance: | 30[2] [3] (30 June 2018) (28 July 2018) |
| Attendance: | 82,050 |
| Average Attendance: | 450 |
| Matches: | 182 |
| Total Goals: | 463 |
| Updated: | 25 August 2018 |
2018 Thai League 3 Upper Region is the 2nd 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, after Amnat United and Phayao withdrew before the season started.[4] [5]
Three clubs were promoted from the 2017 Thai League 4
Two clubs were promoted to the 2018 Thai League 2
A club was relegated to the 2018 Thai League 4 Northern Region
| Team | Location | Stadium | Capacity |
|---|---|---|---|
| Ayutthaya | Ayutthaya | Udhomseelwitthaya School Stadium | 1,800 |
| Ayutthaya United | Ayutthaya | Ayutthaya Provincial Stadium | 6,000 |
| Bangkok | Bangkok | Bangkokthonburi University Stadium | 8,000 |
| Chachoengsao Hi-Tek | Chachoengsao | Chachoengsao Municipality Stadium | 6,000 |
| Chiangrai City | Chiang Rai | Singha Stadium | 11,354 |
| JL Chiangmai United | Chiang Mai | 700th Anniversary Stadium | 25,000 |
| Kalasin | Kalasin | Kalasin Municipality Stadium | 2,580 |
| Kamphaengphet | Kamphaengphet | Cha Kung Rao Stadium | 2,600 |
| Lamphun Warrior | Lamphun | Mae-Guang Stadium | 3,000 |
| Marines Eureka | Rayong | Klaeng Municipality Stadium | |
| Muangkan United | Kanchanaburi | Kleeb Bua Stadium | 13,000 |
| Phrae United | Phrae | Thunghong Municipality Stadium | 4,500 |
| Sakaeo | Sakaeo PAO. Stadium | 10,000 | |
| Ubon Ratchathani | Ubon Ratchathani University Stadium | 2,000 | |
| Other foreign players. | ||
| AFC quota players. | ||
| ASEAN quota players. | ||
| No foreign player registered. |
Note :
: players who released during summer transfer window;
: players who registered during summer transfer window;
↔: players who have dual nationality by half-caste or naturalization.
| Club | Leg | Player 1 | Player 2 | Player 3 | Player 4 | Player 5 |
|---|---|---|---|---|---|---|
| Ayutthaya | 1st | |||||
| 2nd | ||||||
| Ayutthaya United | 1st | |||||
| 2nd | ||||||
| Bangkok | 1st | |||||
| 2nd | ||||||
| Chachoengsao Hi-Tek | 1st | |||||
| 2nd | ||||||
| Chiangrai City | 1st | |||||
| 2nd | ||||||
| JL Chiangmai United | 1st | |||||
| 2nd | ||||||
| Kalasin | 1st | |||||
| 2nd | ||||||
| Kamphaengphet | 1st | |||||
| 2nd | ||||||
| Lamphun Warrior | 1st | |||||
| 2nd | ||||||
| Marines Eureka | 1st | |||||
| 2nd | ||||||
| Muangkan United | 1st | |||||
| 2nd | ||||||
| Phrae United | 1st | |||||
| 2nd | ||||||
| Sakaeo | 1st | |||||
| 2nd | ||||||
| Ubon Ratchathani | 1st | |||||
| 2nd | ||||||
As of 25 August 2018.[8]
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Chatchai Narkwijit | JL Chiangmai United | 20 |
| 2 |  Nascimento Dos Santos | Ayutthaya United | 15 |
| 3 | Jaruwat Narmmool | Phuket City (7), Lamphun Warrior (5) | 12 |
| Saran Sridet | Lamphun Warrior | ||
| 5 | Kendall Jagdeosingh | Sakaeo (6), Ayutthaya (4) | 10 |
 Taku Ito | |||
| Anggello Machuca | JL Chiangmai United | ||
| 8 |  Kang Min-gu | Chiangrai City | 8 |
| Pakkaphon Kanlapakdee | Marines Eureka | ||
| 10 | Poramet Arjvirai | 7 | |
| Jimmy Shola | Kamphaengphet | ||
 Lionel Frank | Marines Eureka | ||
| Jhonatan Bernardo | Phrae United | ||
| Tuangsit Soimee | Sakaeo | ||
| Bouba Abbo | Trang (1), Ubon Ratchathani (6) | ||
| Player | For ! | Against | Result | Date | |
|---|---|---|---|---|---|
| Jimmy Shola | Kamphaengphet | 3–1 | |||
| Sakaeo | 4–0 | ||||
| Bangkok | 3–0 | ||||
| Pradit Chuaisuk | Chachoengsao Hi-Tek | 6–1 | |||
| Adul Namwong | Chiangrai City | 4–1 | |||
| Nascimento dos Santos | Ayutthaya United | 4–0 |
| Team \ Match played | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 355 | 261 | 170 | 149 | 122 | 122 | 200 | 130 | 69 | 1,245 | 38 | 171 | 350 | 3,382 | ||
| 1,160 | 895 | 553 | 1,134 | 1,345 | 883 | 1,218 | 1,328 | 809 | 993 | 777 | 908 | 544 | 12,547 | ||
| 222 | 438 | 542 | 321 | 201 | 247 | 225 | 213 | 222 | 193 | 183 | 250 | 764 | 4,021 | ||
| 1,377 | 1,350 | 1,064 | 1,125 | 721 | 1,020 | 976 | 1,167 | 993 | 852 | 390 | 800 | 3,116 | 14,951 | ||
| 53 | 52 | 48 | 45 | 75 | 172 | 80 | 30 | 68 | 30 | 82 | 146 | 195 | 1,076 | ||
| 658 | 514 | 531 | 563 | 413 | 552 | 435 | 759 | 409 | 311 | 460 | 385 | 1,200 | 7,190 | ||
| 300 | 374 | 300 | 261 | 218 | 209 | 120 | 200 | 151 | 225 | 130 | 195 | 146 | 2,829 | ||
| 750 | 255 | 300 | 285 | 220 | 250 | 191 | 250 | 119 | 220 | 220 | 111 | 131 | 3,302 | ||
| 1,530 | 720 | 795 | 794 | 825 | 796 | 593 | 676 | 682 | 956 | 465 | 965 | 723 | 10,520 | ||
| 480 | 280 | 125 | 185 | 125 | 185 | 120 | 115 | 200 | 200 | 156 | 122 | 250 | 2,543 | ||
| 520 | 212 | 196 | 305 | 210 | 272 | 175 | 300 | 343 | 227 | 103 | 174 | 127 | 3,164 | ||
| 971 | 520 | 689 | 629 | 546 | 579 | 525 | 322 | 246 | 311 | 435 | 686 | 443 | 6,902 | ||
| 460 | 416 | 250 | 220 | 370 | 200 | 400 | 200 | 116 | 260 | 250 | 180 | 250 | 3,572 | ||
| 400 | 500 | 450 | 350 | 400 | 676 | 450 | 750 | 400 | 500 | 450 | 300 | 425 | 6,051 |