RMW (disambiguation)

RMW may refer to:
 * Read–modify–write, a CPU instruction to simultaneously read and write a value in memory
 * Reliance MediaWorks, a film and entertainment services company
 * rmw, the ISO 639 code for Welsh Romani language
 * Radius of maximum wind, the distance between the center of a cyclone and its band of strongest winds
 * Mannheim-Waldhof station, the DS100 code RMW