DSL (disambiguation)

DSL or digital subscriber line is a family of technologies that provide digital data transmission over the wires of a local telephone network.

DSL may also refer to:
 * Damn Small Linux, a very small Linux distribution
 * Danish Sign Language
 * Data Security Law of the People's Republic of China
 * Definitive software library
 * Design Science License, a copyleft license for intellectual property
 * Diagnostic Systems Laboratories, a company now part of Beckman-Coulter
 * Dictionary of the Scots Language
 * Doctor of Strategic Leadership
 * Domain-specific language, a specialized computer language
 * Digital subscriber line, a device used to connect a computer or router to a telephone line
 * Dominican Summer League of baseball
 * DSL, a musical artist signed to Ed Banger Records
 * Deutsche Schule Lagos, or the German School Lagos
 * "Don't Say Love", a 2023 song by Leigh-Anne
 * Digital Site License