SD may refer to:

Look up sd in Wiktionary, the free dictionary.

Contents 1 Organization 2 Science and technology 3 Mathematics 4 Medicine and biology 5 Transportation 6 Places 7 Television, film, and music 8 Other uses 9 See also

[edit] Organization

• SanDisk, US-based multinational corporation which designs and markets flash memory card products
• Sicherheitsdienst, Security Police, the intelligence service of the Nazi SS
• Sinistra Democratica, an Italian political party
• Social Democrats (Slovenia), a left-wing Slovenian political party
• Stronnictwo Demokratyczne, a defunct Polish party
• Swiss Democrats (Schweizer Demokraten) A right-wing political party in Switzerland
• Swedish Democrats, a right-wing nationalist party in Sweden

[edit] Science and technology

• SafeDisc, a CD/DVD copy protection solution by Macrovision Corporation
• Secure Digital card, flash memory card format used in portable device, including digital cameras and handheld computers
• SharpDevelop, a free and open source IDE for the C# Visual Basic .NET programming languages
• Software Distributor, an HP-UX software package management system
• Standard-definition television
• Silver & Deming, a type of reduced-shank drill bit
• Suppressed, a suffix placed at the end of a firearm's model name to note it is fitted with a suppressor
• Sustainable development, environmental, economic and social development that meets the needs of the present without compromising the needs of future generations
• Sudan, ISO country code

[edit] Mathematics

• Standard deviation, statistics
• Significant digits, a method of expressing error in measurement
• Systems dynamics modeling

[edit] Medicine and biology

• Spasmodic dysphonia
• Schizoaffective disorder

[edit] Transportation

• Sudan Airways, IATA airline designator

[edit] Places

• South Dakota, United States postal abbreviation
• San Diego, California
• San Diego County, California
• San Diego, Texas

[edit] Television, film, and music

• Siamese Dream, a rock music album from the band The Smashing Pumpkins
• Snoop Dogg, a West Coast rapper
• Steely Dan, an American jazz-rock band
• SmackDown!, a WWE Friday night show

[edit] Other uses

• Sindhi language
• Super deformed, an art style in which characters are drawn with short, stubby, highly exaggerated builds

[edit] See also

• SD1 (disambiguation)

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