ENR

ENR may refer to:

In media:
 * Engineering News-Record, a weekly magazine covering the global construction industry
 * Emissora Nacional de Radiodifusão, now Rádio e Televisão de Portugal, the Portuguese public service broadcasting corporation

In organizations:
 * European New Right, a European political far-right movement
 * Energizer Holdings, an American manufacturer that has NYSE code ENR
 * Bureau of Energy Resources, in the U.S. Department of State

In transportation:
 * Egyptian National Railways, the national railway in Egypt
 * Esquimalt and Nanaimo Railway
 * East Norfolk Railway, a former railway in the United Kingdom, now site of the heritage Bure Valley Railway
 * Ennore railway station (station code), a railway station in Chennai, Tamil Nadu, India

Other:
 * Enoyl-acyl carrier protein reductase, an enzyme which catalyzes an essential step in fatty acid biosynthesis
 * Esercito Nazionale Repubblicano (National Republican Army), the army of the Italian Social Republic from 1943 to 1945
 * Ending Net Receivable, a financial term used by certain credit card companies
 * Excess Noise Ratio, in radio frequency electronics a normalized measure of how much the noise power is above the thermal noise floor