| Acronym | Definition |
|---|
| FEIA | Festival do Instituto de Artes (Portuguese: Festival of the Arts Institute; Brazil) |
| FEIA | Forum Économique International des Amériques (French: International Economic Forum of the Americas; Canada) |
| FEIA | Flight Engineers' International Association (various locations) |
| FEIA | Fuji Electric Industries America (San Diego, CA) |
| FEIA | Federal Energy Information Administration |
| FEIA | Fluorometric Enzyme Immunocapture Assay |
| FEIA | Fluoro Enzymo Immuno Assay |
| FEIA | Final Environment Impact Assessment |
| FEIA | Federal Election Integrity Act of 2005 |
| FEIA | First Exercise-Induced Angina (cardiology) |