FIES
| Acronym | Definition |
|---|---|
| FIES | Fonds d'Intervention de l'Economie Sociale (French: Intervention Fund for the Social Economy) |
| FIES | Family Income and Expenditure Survey |
| FIES | Federazione Italiana Esercizi Spirituali (Italian) |
| FIES | Forschen in Eigener Sache (German: Research on His Own Behalf) |
| FIES | Fellow of the Institution of Engineers and Shipbuilders in Scotland |
| FIES | Fullerton Interfaith Emergency Services, Inc. (California) |