| Acronym | Definition |
|---|
| FEPI➣Festival de la Publicidad Independiente (Spanish: Independent Advertising Festival; Argentina) |
| FEPI➣Federation of the European Play Industry (Brussels, Belgium) |
| FEPI➣Fundación para el Estudio de los Problemas de la Infancia (Spanish: Foundation for the Study of Children's Issues; Argentina) |
| FEPI➣Front End Programming Interface |
| FEPI➣Family Experiences Productions, Inc. (Austin, TX) |
| FEPI➣Fractional Excretion of Phosphate |
| FEPI➣Far Eastern Polychem Industries (Hong Kong) |