ATCL

AcronymDefinition
ATCLAssociate of Trinity College London
ATCLAutomobile et Touring Club du Liban (French: Automobile and Touring Club of Lebanon)
ATCLAppeals Team Case Leader (US IRS)
ATCLAdult T-Cell Leukemia (illness)
ATCLAutomatic Transfer Control Logic (electric power system)
ATCLAir Traffic Control Line
ATCLAir Traffic Controller License (various countries)
ATCLAssociation for Teacher-Librarianship (Canada)