DL, dL, or dl may stand for:

Measurement of volume
  • the symbol of the decilitre (or deciliter), an SI unit of measurement of capacity or volume (1 dL = 100 mL)
Science and tech
  • Data link, a computer connection for transmitting data
  • Discrete logarithms
  • Description logics, a family of knowledge representation languages
  • Digital library
  • Diode logic, a logic family using diodes
  • Distance Learning, a type of computer-based training (CBT) that uses Internet technology and consists of application software on the Web
  • Distribution list, a function of e-mail clients
  • Downlink, the link from a satellite to a ground station
  • Download, a transfer of electronic data
  • DVD-R DL, the DVD Dual Layer engineering method
  • , the HTML definition list element(see HTML element)
  • DL register, the low byte of an X86 16-bit DX register
  • The D/L nomenclature 9Monosaccharide#The_D.2FL_nomenclature), used in the naming of sugars
  • Dead Letters, a 2003 album by The Rasmus
  • Dragonlance, a series of fantasy novels
  • Ratchet: Deadlocked, a platform/shooter video game
  • D. L. Hughley (born 1963), American actor and comedian
  • Diogenes Laertius (fl. c. 3rd century AD), Greek biographer of the philosophers
  • David Letterman (born 1947), American television host and comedian
  • Damon Lindelof (born 1973), American television writer and executive
  • David Livingstone (1813-1873), Scottish medical missionary and explorer
  • Dave Lombardo (born 1965), Cuban American heavy metal drummer
  • Demi Lovato (born 1992), American singer-songwriter and actress
  • David Lynch (born 1946), American filmmaker


  • D. L. Hawkins, character from the American television series Heroes
  • Dave Lister (fictional character), character from the British television series Red Dwarf
Industry and organisations
  • Subaru DL, an automobile
  • The Dai-ichi Mutual Life Insurance Company, an insurance company
  • Delaware-Lackawanna Railroad in Pennsylvania, U.S.
  • the IATA code for Delta Air Lines
  • Democracy is Freedom – The Daisy, a former Italian political party
  • Démocratie Libérale, a political party in France
  • Disneyland Park (Anaheim), a theme park
  • Drinking Liberally, a social organization that discusses politics in bars
  • Driver's license, an official document which states that a person may operate a motorized vehicle
  • Disabled list, a list of injured baseball players
  • Duckworth-Lewis method, a mathematical way to calculate the target score in cricket
  • 550 in Roman numerals
  • Deputy Lieutenant, a British title
  • Destroyer leader, a military (naval) initialism and hull classification symbol for a large destroyer capable of leading a flotilla
  • Diaper lover, a fetish
  • Dimension Lengthwise, an ISO paper size 110mm × 220mm commonly used for envelopes
  • Distance Learning, a field of education
  • District line, a London Underground line
  • Doctor of Letters, a university degree
  • Donald Land, a Famicom action game featuring Ronald McDonald
  • County Donegal, Ireland
  • Double lift, sleight of hand used in card magic
  • Down-low (sexual slang), a slang phrase
  • New Zealand DL class locomotive, a New Zealand locomotive class manufactured by Dalian Locomotive and Rolling Stock Company