Found 3 full forms for ATSL
| Term | Full Form | Category |
|---|---|---|
| ATSL | Accademia Toscana di Scienze e Lettere "La Colombaria" 
| Others |
| ATSL | Amicale Traction du Sud Lorrain
| Others |
| ATSL | Tuscan Academy of Sciences and Letters "La Colombaria"
| Others |