BWR

BWR or bwr may refer to:


 * Benedict–Webb–Rubin equation, an equation of state used in fluid dynamics
 * Black Warrior Review, a non-profit American literary magazine based at the University of Alabama
 * Boiling water reactor, a type of light water nuclear reactor used for the generation of electrical power
 * BWR, the Toronto Stock Exchange code for Breakwater Resources, a defunct Canadian mining company
 * bwr, the ISO 639-3 code for Bura language, Nigeria