RWS

The three-letter abbreviation RWS may stand for one of the following, depending on context:

* Remote Weapon System or Remote Weapon Station – a type of small/medium-calibre weapon mounting used on some modern armored military vehicles
* Rheinisch-Westfälische Sprengstoffwerke (Ger. "Rhinelandic-Westphalian Explosives Works") – a brand of rifle cartridges and airgun pellets; marketed by Swiss company RUAG Ammotec since 2002, who also license the RWS brand to Umarex USA for the marketing of their premium line of air rifles
*Running With Scissors Inc., a video game Developing company, best known for POSTAL series
*Roulette Wheel Selection, a selection Genetic operator used in Genetic algorithms
*Royal Watercolour Society – an English institution of painters working in watercolours
*Range While Search radar mode
*Renault World Series – A motorsport championship run globally by Renault