DL
- Australian National DL class
- County Donegal
- D. L. Hawkins
- D. L. Hughley
- D.L. (play)
- DL postcode area
- DL register
- DL series
- DVD-R DL
- Dai-ichi Life
- Data link
- Deadlift
- Decilitre
- Deep learning
- Defensive lineman
- Delanggu railway station
- Delaware–Lackawanna Railroad
- Delete Line (ANSI)
- Delta Air Lines
- Democracy is Freedom – The Daisy
- Deputy Lieutenant
- Description logic
- Destroyer leader
- Detroit Lakes, Minnesota
- Detroit Lions
- Dextrorotation and levorotation
- Diamond League
- Diaper lover
- Digital library
- Digraph (orthography)
- Dimensionless quantity
- Diode logic
- Directors Lounge
- Disabled list
- Discrete logarithms
- Distance learning
- Distribution list
- District line
- Doctor of Letters
- Dominant leittonwechselklänge
- Down-low (disambiguation)
- Downlink
- Download
- Drinking Liberally
- Driver's license
- Duckworth–Lewis method
- Dynamic loading
- Envelope
- HPE ProLiant
- HTML element
- Liberal Democracy (France)
- List of Latin script digraphs
- New Zealand DL class locomotive
- Pangdonglai
- Rights and Freedom
- Roman numerals
- Subaru DL