EMW
EMW may stand for:
- EMW Corporation, a Korea's electronics company, by KOSDAQ number in 079190.
 - Eisenacher Motorenwerk, a former East German manufacturer of automobiles and motorcycles and one-time Formula One participant
 - Elektro Mechanische Werke, a former German aircraft manufacturer
 - Electromagnetic wave, a phenomenon that takes the form of self-propagating waves in a vacuum or in matter.
 - Evangelical Movement of Wales, a Christian organisation in Wales
 - Expeditionary maneuver warfare, a warfare concept of the United States Marine Corps
 - Evangelisches Missionswerk in Deutschland, an institute of the Evangelical Church in Germany
 - Enzyklopädie der Mathematischen Wissenschaften, known as Klein's encyclopedia