The 4th Thailand Regional Games (Thai: กีฬาเขตแห่งประเทศไทย ครั้งที่ 4, also known as the 1970 National Games and the 1970 Interprovincial Games) were held in Nakhon Ratchasima, Thailand from 1 to 7 November 1970, with contests in 12 sports.

At the medal tally, Thailand was third after Japan and South Korea.

[1] The emblem of 1970 Thailand Regional Games was the emblem of Sports Authority of Thailand on an orange background.

The 4th Thailand National Games represented 9 regions from 71 provinces.

The 1st Thailand National Games represented 12 sports.