- DSLL stands for Doubleword Shift Left Logical (computing)
- DSLL stands for Diplome Superieur de Langue et Litterature (French: Higher Diploma in Language and Literature)
- DSLL stands for Digital Spaces Living Lab (Sofia, Bulgaria)
- DSLL stands for Diamond Senior Little League (Diamond Sports baseball)
- DSLL stands for Devon Strafford Little League (Pennsylvania)
DSLL