FIEB
| Acronym | Definition |
|---|---|
| FIEB | Federação das Indústrias do Estado da Bahia (Portuguese: Federation of Industries of the State of Bahia; Bahia, Brazil) |
| FIEB | Fundação Instituto de Educação de Barueri (Portuguese: Barueri Institute of Education; Barueri, Brazil) |
| FIEB | Fundación para la Investigación en Etología y Biodiversidad (Spanish: Foundation for Research in Ethology and Biodiversity) |