- DMLL stands for Department of Modern Languages and Literatures
- DMLL stands for Distributed Maximum Log-Likelihood (algorithm)
- DMLL stands for Data Mining Lessons Learned (workshop and editorial)
- DMLL stands for Durham Masters Lacrosse League (Canada)
- DMLL stands for Del Mar Little League (California)
- DMLL stands for Department of Modern Languages and Linguistics (various universities)
- DMLL stands for Dinmore Manor Locomotive Limited (UK)
DMLL