| Rank | Abbreviation | Meaning |
|---|
| ***** | FASL | Fas Ligand
| |
| ***** | FASL | Feet Above Sea Level
| |
| **** | FASL | Formal Approaches to Slavic Linguistics
| |
| **** | FASL | CD95/APO-1)/Fas ligand
| |
| **** | FASL | Fondation pour l'Animation Socioculturelle Lausannoise
| |
| *** | FASL | Fas-Fas ligand
| |
| *** | FASL | factor-alpha, Fas ligand
| |
| *** | FASL | Fujitsu AMD (Advanced Micro Devices, Inc.) Semiconductor Limited
| |
| *** | FASL | Fellow, Academic Society of London
| |
| *** | FASL | Ferranti Air Systems Ltd.
| |
| ** | FASL | Fas antigen, Fas ligand
| |
| ** | FASL | APO-1/Fas)-Fas ligand
| |
| ** | FASL | Food Analytical Service Laboratory
| |
| ** | FASL | First Allied Savings and Loans
| |
| * | FASL | Fredericksburg Area Service League
| |
| * | FASL | Fas by its ligand
| |
| * | FASL | endotoxin-tolerant/Fas ligand
| |
| * | FASL | Fast Loading Modul
| |
| * | FASL | Ferranti Air Systems Limited
| |
| * | FASL | Background/Aims-Fas ligand
| |
| * | FASL | Fujitsu AMD Semiconductor, Ltd.
| |
| * | FASL | family, and its ligand
| |
| * | FASL | Florida Alliance Soccer League
| |
| * | FASL | Fantasy Action Sports League
| |
| * | FASL | factorand Fas ligand
| |