DS

DS, Ds or dS can be:

Computer and video games

Nintendo DS, a handheld gaming device made by Nintendo
Several games for Nintendo DS whose titles use a pun on the name "DS":
Dancing Stage, a series of video games by Konami, the European counterpart to Dance Dance Revolution
Docking Station, an online game based on an improved Creatures 3 software engine
DragonSpeak, a simple programming language in the online game Furcadia
Dungeon Siege, a real time computer role-playing game
DirectShow, Microsoft's multimedia framework and API on Windows

Air Senegal (IATA code)
Citroën DS, a model of Citroën car
Bureau of Diplomatic Security, the law enforcement arm of the United States Department of State
D.S. (song), a song by Michael Jackson on his HIStory album
Dal Segno, a navigation marker in music notation
Dallas Semiconductor, an IC manufacturer
Darmstadtium, an atomic element
Democratici di Sinistra, the Democrats of the Left, an Italian political party
Demokratska stranka, the Democratic Party (Serbia)
Detective Sergeant, a rank within the British Criminal Investigation Department
Detective Superintendent (police), technically incorrect but sometimes seen
Derek Sherinian, keyboardist
Dielectric spectroscopy
Digital Spy, an entertainment and media website
Directional Symmetry, a method for time series analysis
Directory service
Domination and submission (BDSM)
Due Sicilie (Two Sicilies), a defunct kingdom composing of Southern Italy and the island of Sicily.
Duodenal switch, short for Bilio-Pancreatic Diversion with Duodenal Switch
dS is an abbreviation for dwarf spiral galaxy (also see dwarf galaxy and spiral galaxy).
7.92 DS, a Polish-designed anti-tank ammunition type
DS, a term meaning "Darling Son"