RW

RW or rw may stand for:

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 ( _fr. Rassemblement wallon) a defunct Belgian political party