Look up RSD in Wiktionary, the free dictionary.

RSD most often refers to:

• Serbian dinar, ISO 4217 code for the currency of the Republic of Serbia
• Reflex sympathetic dystrophy, see complex regional pain syndrome
• Rejection sensitive dysphoria in psychology

RSD may also refer to:

Science

• Redshift-space distortions in cosmology
• Rejection sensitive dysphoria in psychology
• Repetitive stress disorder, another term for repetitive strain injury
• Regulator of sigma D, an anti-sigma factor in E. coli bacteria

Statistics

• Relative standard deviation
• Robust standard deviation

Technology

• Really Simple Discovery, an XML format describing some features of a blog service
• Remote sensing data
• Roller shutter door
• Retinal scanning display, another term for a virtual retinal display
• Recreational Software Designs, the developer of the game creation system Game-Maker

People

• Rahul Sharad Dravid, an Indian former cricketer and commentator
• Alias of Rob Smith (British musician), British electronic musician

Schools and school districts

• Rochester School for the Deaf, a school in Rochester, New York, USA
• Royal School Dungannon, a grammar school in Northern Ireland
• Reading School District in Reading, Pennsylvania
• Recovery School District - Louisiana
• Rhinelander School District in Rhinelander, Wisconsin
• Rochester City School District in Rochester, New York
• Rockwood School District in St. Louis County, Missouri
• Roosevelt School District in Phoenix, Arizona

Other uses

• Record Store Day, an annual celebration of independent record stores
• RSD-Gaskiya, or Social Democratic Rally, a political party of Niger
• Real Social Dynamics, a US-based company specializing in teaching men how to meet and pick up women, run by Julien Blanc
• Reichssicherheitsdienst (Reich security service), Hitler's SS bodyguard unit in Nazi Germany