Codes:

• Kinyarwanda language, ISO 639 alpha-2 language code
• Republic Airlines, IATA airline designator
• Rwanda, ISO 3166-1 alpha-2 country code

In computing:

• RapidWeaver, a Mac OS X website building tool
• Read-write access to files or directories in file system permissions
• Read-write memory
• RenderWare, a 3-D rendering engine produced by Criterion Software
• Robot Wars

Other:

• Random walk, a mathematical process that can be used to explain phenomena in physics, economics, psychology and other disciplines
• Road Wild, WCW ppv
• Robbie Williams, British pop superstar
• Roger Waters, a former member of British progressive rock band Pink Floyd
• The Real World, an American reality television show
• Walloon Rally (Rassemblement wallon) a defunct Belgian political party