Cognomen Fiey (Fiey 
) , worldwide, is a rare last name. The cognomen Fiey is habitual in Belgium, where it is a rare surname, France, and Malaysia, where it is a very rare surname. Very seldom, Fiey is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fiey | United States, France, Belgium, Malaysia |
| jean maurice fiey Church Historian (1914-1995), FR (b. 1914) |
|