| Acronym | Definition |
|---|
| JFS | Journaled File System |
| JFS | Journal of Forensic Sciences |
| JFS | Jewish Family Services |
| JFS | Journal of Food Science |
| JFS | Jet Fuel Starter |
| JFS | Jane's Fighting Ships |
| JFS | Japan Federation of Surveyors (est. 1974) |
| JFS | Joint Feasibility Study |
| JFS | Japan Facility Solutions (energy solutions) |
| JFS | Jungfreisinnige Schweiz (German: Young Swiss Liberals) |
| JFS | Japan Finance Corporation for Small Business |
| JFS | Joint Fire Support |
| JFS | Julia Farr Services (Australia) |
| JFS | Job Family System |
| JFS | Joint Frequency-Sparse (mathematical model) |