SDC may refer to:

• SAARC Documentation Centre, New Delhi, India
• San Diego County, the second most populous county in the U.S. state of California
• 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

• 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

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