The 1968 Thailand National Games, officially known as the II Thailand National Games (Thai: กีฬาเขตแห่งประเทศไทย ครั้งที่ 2), and commonly known as Chiang Mai 1968, was a multi-sport event held in Chiang Mai, Thailand, from 3 to 9 December 1968 with 118 events in 14 sports and disciplines featured in the games .

This was Chiang Mai's first time to host the Thailand National Games.

A total of 1,700 athletes from 9 regions participated in the games.

[1] The emblem of 1968 Thailand Regional Games was the emblem of Sports Authority of Thailand or SAT and under the logo by the text การแข่งขันกีฬาเขต ครั้งที่ ๒ เชียงใหม่ ๒๕๑๑2nd Thailand Regional GamesChiang Mai 1967The 2nd Thailand National Games represented 9 regions from 71 provinces.

The 1st Thailand National Games represented 15 sports.