- SDF
SDF may refer to:
* Scouts de France
*Seattle Debate Foundation , a non profit urban debate league in Seattle, Washington
*Seoul Digital Forum , a major international conference held annually in Seoul, Korea, addressing innovation in the digital world
*Japan Self-Defense Forces
*Sikkim Democratic Front , a political party of India
*Simple Data Format , a platform-independent, precision-preserving I/O format for binary data, capable of handling large, multi-dimensional arrays
*Simplified Directional Facility , an aviation instrument approach navigational aid
*Social Democratic Federation
*Social Democratic Front
*Software Development Folder
* Soluna Defence Force, military force from the gameMechQuest
* .SDF File Extension (SQL Database File), the fileformat for MicrosoftSQL Server Compact databases
*Standard Delay Format
*Stromal cell-derived factor-1 (commonly known as SDF-1), a small cytokine officially designated CXCL12
* Structure data file, a file format for a chemical table file
*Super Dimension Fortress , a free public Unix shell account provider
*The Super Dimension Fortress Macross , an anime television series
* Synchronous diaphragmatic flutter, also known as ahiccup
*Syntax Definition Formalism , a metasyntax used to define context-free grammars
*Louisville International Airport 's IATA Airport Code
*Service delivery framework , a reference model forservice provider s
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