| Acronym | Definition |
|---|
| IFES➣International Fellowship of Evangelical Students |
| IFES➣International Foundation for Election Systems |
| IFES➣Instituições Federais de Ensino Superior (Portuguese: Federal Institutions of Higher Education; Brazil) |
| IFES➣In-Flight Entertainment System (aviation) |
| IFES➣Image Feature Extraction System |
| IFES➣Irmandade da Festa do Espirito Santo |
| IFES➣Instituto Femenino de Educación Superior (Spanish) |
| IFES➣IPEDS (Integrated Postsecondary Education Data System) Fall Enrollment Survey (various universities) |