Surname ยงกฤตมุข (ยงกฤตมุข 
) , in the entire world, is a very rare family name. The cognomen ยงกฤตมุข is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ยงกฤตมุข | Thailand |
สอิง, ธีรเกียรติ, ขนิฐา, กัณฑสิทธิ์, ชัยยุทธ, and เฉลิมเกียรติ