Family name ฟทธิ์ประเสริฐ (ฟทธิ์ประเสริฐ 
) , around the world, is an extremely rare surname. The last name ฟทธิ์ประเสริฐ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฟทธิ์ประเสริฐ | Thailand |