Look up DTL in Wiktionary, the free dictionary.
DTL is diode–transistor logic, a class of digital circuits.
DTL may also refer to:
- Downtown MRT line, a Singapore mass transit line
- Down-The-Line, a variation of the shooting sport trap shooting
- DTL (gene), a gene in the human genome
- Django Template Language, the default template system for the Django web framework
- Drawn to Life, a video game for the Nintendo DS
- Dutch Type Library, a Dutch typeface design company
- Delhi Transco Limited, an Indian electrical power distribution company