ECR

ECR may refer to:

Associations

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

Radio

• East Coast Radio (South Africa), a South African 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 (California), an old Spanish road in California
• Railways
  • East Croydon station, a railway station and tram stop in Croydon, England
  • Euro Cargo Rail, rail freight operator based in France
  • East Central Railway, part of the Indian rail network, see East Central Railway Zone
  • Eastern Counties Railway, defunct British railway company

Science and technology

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

Engineering

• Contact resistance (electrical), the surface structure dependent resistance at a contact interface
• Engineering Change Request, a request for a change in the specification(s) - see Change request or Engineering change order

Other

• ECR Engines, the engine-building division of Richard Childress Racing
• Ed Carpenter Racing, an American racing team in the IndyCar Series
• Edmonton Capital Region, in Alberta, Canada
• Electronic Cash Register
• Engine control room (shipbuilding abbreviation)
• Early Career Researcher (academia)
• English Cultural Revival (politics)