| Acronym | Definition |
|---|
| FLS➣Falls |
| FLS➣Fundamentals of Laparoscopic Surgery |
| FLS➣Food and Life Sciences (Cornell University; New York) |
| FLS➣Flowserve Corporation (stock symbol) |
| FLS➣Field-Level Security |
| FLS➣Family Law Section (bar associations) |
| FLS➣Français Langue Seconde (French: French Second Language) |
| FLS➣Flood Statement (US FEMA) |
| FLS➣Fame Login Server |
| FLS➣Fixed Line Substitution |
| FLS➣Fixed Length Structure |
| FLS➣Flash |
| FLS➣Fixed Line Services |
| FLS➣Free Lance-Star (newspaper; Fredericksburg, VA) |
| FLS➣Fundamentals of Land Surveying (various locations) |
| FLS➣Fondation pour le Logement Social (French: Foundation for Social Housing) |
| FLS➣Fitzroy Legal Service (Australia) |
| FLS➣Forward Looking SONAR |
| FLS➣Formation Locale de Sécurité (French: Local Security Training) |
| FLS➣Fire Life Safety |
| FLS➣Français Langue de Scolarisation (French: French Language Schooling) |
| FLS➣Fédération Luxembourgeoise de Ski (French: Luxembourg Ski Federation; Luxembourg) |
| FLS➣Front Line States |
| FLS➣Full Length Shot (camera angle) |
| FLS➣Folded Letter Sheet (philatelics) |
| FLS➣First Level Support (helpdesk) |
| FLS➣Foreign Language School |
| FLS➣Florida Legal Services, Inc |
| FLS➣Faculty Lecture Series (various schools) |
| FLS➣Fibroblast-Like Synoviocyte |
| FLS➣Fatty Liver Syndrome (hepatic lipidosis) |
| FLS➣Fellow of the Linnean Society of London |
| FLS➣Forensic Light Source |
| FLS➣Fatigue Limit State |
| FLS➣Flying Lab Software, LLC (video game company; Seattle, WA) |
| FLS➣Family Life Specialist |
| FLS➣Front Line Supervisor |
| FLS➣Fiber Local Storage (Windows API) |
| FLS➣Fluid Level Sensor |
| FLS➣Forward Logistic Site |
| FLS➣Frontal Lobe Syndrome |
| FLS➣Flight Landing Strip |
| FLS➣Summer Flounder |
| FLS➣Flu-Like Syndrome |
| FLS➣Fleet Logistics System |
| FLS➣Flight Line Supervisor |
| FLS➣Flashless (Powder) |
| FLS➣Field Loadable Software (FAA) |
| FLS➣Filthy Little Secret (band) |
| FLS➣Fewleftstanding (band) |
| FLS➣Field Logistics System |
| FLS➣Free Lance Sales (website) |
| FLS➣Fault Locator System |
| FLS➣Fox Learning Systems (Pittsburgh, PA) |
| FLS➣Fixed Light Source |
| FLS➣Future Language Schools (Egypt) |
| FLS➣Fuzzy Logical System |
| FLS➣Fixed-Lag Smoothing |