Last name Fäÿ (Fäÿ 
) , in all the world, is a very rare surname. The family name Fäÿ is habitual in South-eastern Asia, particularly Myanmar, where it is a very rare surname. More prevalently, Fäÿ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fäÿ | Algeria, Myanmar |