The abbreviation RSD may refer to:

• Serbian dinar, ISO 4217 code for the currency of Serbia
• RSD S.A., an information governance software provider
• Really Simple Discovery, an XML format describing some features of a blog service
• Recreational Software Designs, the developer of the seminal DOS-Based game creation system Game-Maker
• Reflex Sympathetic Dystrophy see Complex regional pain syndrome
• Remote Sensing Data, see Remote sensing - often information gathered by satellites
• Retinal Scanning Display, see Virtual retinal display
• Repetitive Stress Disorder, an old name for repetitive strain injury
• Relative standard deviation in statistics ( r_sd )
• Reichssicherheitsdienst (RSD) or Reich Security Service, personal bodyguards of Adolf Hitler
• RoadSide Delivery, a postal term used by Australia Post
• Robust Standard deviation, related to Standard deviation or Robust statistics
• Regulator of Sigma D, an anti-sigma factor against the major sigma factor (sigma70) in E. coli
• Record Store Day, an unofficial holiday celebrated by independent record stores in April.
• RSD-Gaskiya, or Social Democratic Rally, a political party of Niger
• Alias of Rob Smith, a British electronic musician

Schools[link]

• Rockwood School District, a public school district in St. Louis County, Missouri, USA
• Rochester City School District, a public city school district in Rochester, New York, USA
• Rochester School for the Deaf, a private K-12 school for deaf and hard-of-hearing students in Rochester, New York, USA
• Royal School Dungannon, a grammar school in Northern Ireland
• Rhinelander School District

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