Around the globe, Fiac (Fiac 
) is a rare male given name. The given name Fiac is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare boy's name. Very seldom, Fiac is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fiac | Israel, Brazil, Spain, Democratic Republic of the Congo |