Cognomen ฟองไหล (ฟองไหล 
, Fonglai 
) , in the world, is a very rare family name. The last name ฟองไหล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, ฟองไหล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ฟองไหล | Thailand |
| Fonglai | Thailand, United States, Malaysia |