D is the fourth letter of the Latin alphabet.

D or d may also refer to:

Places edit

People with the name edit

Arts, entertainment, and media edit

Fictional entities edit

Games edit

  • D (video game), a game released in 1995 for the PC, 3DO, PlayStation and Sega Saturn

Music edit

Groups and labels edit

  • D (band), a Japanese rock/metal band
  • D Records, a former record label in Houston, Texas, US
  • "d:" or "d:?", often used to refer to the Christian rock band Delirious?
  • "The D", one of the names of comedy rock band Tenacious D

Albums edit

Other uses in music edit

Periodicals edit

  • D, a weekly supplement to the Italian newspaper la Repubblica
  • D Magazine, a magazine for the city of Dallas, Texas, US

Other uses in arts, entertainment, and media edit

  • D (film), a 2005 Bollywood film
  • Initial D, a 1995 Japanese manga and anime about mountain drifting that has spawned several arcade and console games
  • D, the production code for the 1964 Doctor Who serial Marco Polo
  • "D" Is for Deadbeat, the fourth novel in Sue Grafton's "Alphabet mystery" series, published in 1987

Business and economics edit

Computing, technology, and engineering edit

Computing edit

  • .d, a file format used for Agilent MassHunter mass spectrometry software
  • .d, a pathname component suffix for a directory; for example with the init program
  • -d, a suffix of a daemon, a computer program that runs as a background process
  • D - Minimal Protection, a security division in the Trusted Computer System Evaluation Criteria

Programming languages edit

  • D (programming language), a C++-like programming language developed by Walter Bright
  • D, a programming language designed to be used with the DTrace dynamic tracing framework

Other uses in technology edit

Linguistics edit

Mathematics and science edit

Measurements edit

  • d, deci-, SI prefix factor 0.1

Astronomy and Earth science edit

Mathematics edit

Biology, chemistry, and medicine edit

Physics edit

Solid state physics edit

Time edit

Transportation edit

Other uses edit

See also edit