Cognomen เฟเร็นท์ซิ (เฟเร็นท์ซิ 
) , all over the world, is an extremely rare family name. The surname เฟเร็นท์ซิ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| เฟเร็นท์ซิ | Thailand |