Cognomen ไทยเศรษฐ์ (ไทยเศรษฐ์ 
) , throughout the world, is a very rare family name. The cognomen ไทยเศรษฐ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไทยเศรษฐ์ | Thailand |
| ชาดา ไทยเศรษฐ์ Thai politician, TH (b. 1961) |
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| มนัญญา ไทยเศรษฐ์ Thai politician, TH |
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