FMSL
| Acronym | Definition |
|---|---|
| FMSL | Bekily (Madagascar airport code) |
| FMSL | Fédération Musicale de Saône et Loire (French musical federation) |
| FMSL | Franciscan Missionary Sisters of Littlehampton (UK) |
| FMSL | Fédération des Musiques des Districts de Sierre et Loèche (Swiss musical federation) |
| FMSL | Flinders Mathematical Sciences Laboratory (Flinders University; Australia) |
| FMSL | Fujitsu Microelectronics Solutions Limited |
| FMSL | Family Medical Sick Leave Act of 1993 |