ECR

ECR can stand for

Associations

• Efficient Consumer Response, a trade and industry body
• US Institute for Environmental Conflict Resolution
• European Conservatives and Reformists, a grouping within the European Union

Radio

• East Coast Radio (South Africa), a South Africain radio station (FM 94-95)
• East Coast Radio (Ireland), an Irish radio station

Transportation

• Roads:
  • East Coast Road, a scenic beachway along the Coromandel coast of South India
  • East Cross Route in London
  • El Camino Real an old Spanish road in California
• Railways
  • East Croydon station
  • Euro Cargo Rail, rail freight operator based in France
  • East Central Railway, part of the Indian rail network, see East Central Railway Zone (India)
  • Eastern Counties Railway, defunct brtish railway company

Science and technology

• Electron cyclotron resonance, a phenomenon in physics
• European Congress of Radiology

Other

• Edmonton Capital Region
• Electronic Cash Register
• Engine control room (shipbuilding abbreviation)