RSI

RSI may refer to:

Broadcasting services

• Radio Singapore International, a former radio broadcaster in Singapore
• Radio Slovenia International, the international service of Slovenian state radio
• Radiotelevisione svizzera di lingua italiana, a Swiss radio and television broadcaster

Computing

• RSI register, a 64-bit processor register of x86 CPUs
• Reference Software International, a defunct productivity software developer
• Relational Semantics, Inc., an American software company

Finance

• Relative strength index, a technical indicator used in the analysis of financial markets
• Revenue and Social Insurance number, an identifier used for tax and welfare purposes in Ireland

Medicine and psychology

• Rapid sequence induction, a method of emergency intubation, involving paralytics and sedation
• Repetitive strain injury, a disorder affecting muscles, tendons and nerves from repetitive movements, forceful exertions, vibrations, mechanical compression, or sustained/awkward positions
• Residual self image, the concept that individuals tend to think of themselves as projecting a certain physical appearance
• The Real, The Symbolic, and The Imaginary, a theory in Lacanian psychoanalysis concerning human perception of reality

Physics

• RSI-value, a measure of how well a two-dimensional barrier resists the conductive flow of heat
• Review of Scientific Instruments, a scientific journal

Other organisations

• RSI Corporation, an American safety compliance consulting firm
• RADARSAT International, a provider of data and information derived from the Canadian RADARSAT satellite program overseen
• Red Sports International, an international sports organization supported by the Communist International
• Research Science Institute, an international summer research program for high school students
• Religious Science International, a religious organization

Other uses

• Ṛṣi, a term for an accomplished and enlightened person in Hinduism and Buddhism
• Red Sea International Airport in Saudi Arabia
• Regional Snowfall Index, a system used to assess the impact of winter storms in the United States
• Italian Social Republic or Repubblica Sociale Italiana, a puppet state of Nazi Germany during the later part of World War II