| Acronym | Definition |
|---|
| FAES | Fonds d'Assistance Économique et Sociale (French: Economic and Social; Assistance Fund; Haiti) |
| FAES | Florida Agricultural Experiment Station (Gainesville, FL) |
| FAES | Fellow of the American Epilepsy Society (est. 2016) |
| FAES | Foundation for Advanced Education in the Sciences (National Institutes of Health) |
| FAES | Food, Agricultural, and Environmental Sciences (Ohio State University) |
| FAES | Faculty of Agricultural and Environmental Sciences (McGill University; Quebec, Canada) |
| FAES | Flame Atomic Emission Spectroscopy |