DL or dl may stand for:
Science and tech
Distance Learning, a type of CBT (computer-based training) that uses Internet technology and consists of application software on the Web.
Deciliter, a unit of volume
Data link, a computer connection for transmitting data
Diode logic, a logic family using diodes
Description logics, a family of knowledge representation languages
Download, a transfer of electronic data
Downlink, the link from a satellite to a ground station
Dual layer recording, a DVD engineering method
Distribution list, a function of email clients
Culture
"Dead Letters", a 2003 album by The Rasmus
Decaying Lawn, an experimental metalcore band
Dragonlance, a series of fantasy novels
Deadlocked, a platform/shooter video game
Delivery of Liquor, a functional title in Bangalore designed to provide liquor for consumption
People
Diogenes Laertius, Greek biographer of the philosophers
D. L. Hughley, an American comedian
D. L. Hawkins, a fictional character from the televis
Source:
http://en.wikipedia.org/wiki/D+L