SDC

SDC may refer to:
 * SAARC Documentation Centre, New Delhi, India
 * Sassarese language, ISO 639-3 code
 * Sentosa Development Corporation, a statutory board in Singapore
 * Sheffield Development Corporation, England
 * Shoreditch High Street railway station, London, National Rail station code
 * Societas Doctrinæ Christianæ
 * Stage Directors and Choreographers Society, US
 * Sussex Downs College, England
 * Sustainable Development Commission, UK
 * Swiss Agency for Development and Cooperation
 * Syrian Democratic Council, the legislature of Rojava
 * Show Dem Camp, Nigerian rap duo
 * Samsung Developer Conference

Computing and technology

 * Secure Download Cabinet, an encrypted computer file format
 * IEEE 11073 service-oriented device connectivity
 * Smart Data Compression, a GIS data format
 * Society of Dyers and Colourists
 * Spirit DataCine, a motion picture film scanner
 * Statistical disclosure control
 * Structured Data on Commons, a project on Wikimedia Commons
 * Stupid D Compiler for the D programming language
 * Sydney Development Corporation, a former Canadian software company
 * System Development Corporation, a computer software company