| FIAC | Fast Idle Air Cylinder 
| Others |
| FIAC | Fast Intruder Attack Craft
| Others |
| FIAC | Federacion Interamericana de Automovil Clubs
| Others |
| FIAC | Federation of Independent Advice Centres
| Others |
| FIAC | Federation of Independent Associations for Cycling
| Others |
| FIAC | Fellow of the Institute of Company Accountants (1928-1974)
| Others |
| FIAC | Fisher IT Asset Consulting
| Others |
| FIAC | Flanders International Acro Cup
| Others |
| FIAC | Florida Immigrant Advocacy Center
| Others |
| FIAC | Foire Internationale d'Art Contemporain
| Others |
| FIAC | Foreign Investment Advisory Council
| Others |
| FIAC | Forest Industry Advisory Council
| Others |
| FIAC | Foundation for Italian Art and Culture
| Others |
| FIAC | Functional Image Analysis Contest
| Others |