| Host city | Chiang Rai |
|---|---|
| Country | Thailand |
| Motto | Friendship and Pride (Thai: มิตรภาพและความภาคภูมิใจ, Mittraphap Lae Khwamphakphumchai) |
| Teams | 77 |
| Athletes | 12,847 |
| Events | 41 sports |
| Opening | 18 November 2018 |
| Closing | 28 November 2018 |
| Opened by | Minister Weerasak Kowsurat |
| Torch lighter | Buoban Pamang |
| Main venue | Chiang Rai Province Central Stadium |
| Website | Chiang Rai 2018 |
The 2018 Thailand National Games (Thai: กีฬาแห่งชาติ พ.ศ. 2561), officially known as the XLVI Thailand National Games (Thai: กีฬาแห่งชาติ ครั้งที่ 46) and commonly known as Jiang Hai Games (Thai: เจียงฮายเกมส์), was a national multi-sport event of Thailand held between 18 and 28 November 2018 in Chiang Rai, Thailand.