ETR may refer to: * East Turkestan Republic (disambiguation); first and second movements * Express Toll Route, in Canada; Ontario Highway 407 * Entergy Corporation; NYSE stock symbol * Edolo language; ISO language code * Etravirine, a drug used to suppress HIV replication

Transportation

* ElettroTreno, a series of Italian high-speed trains * Echigo Tokimeki Railway, a railway operating company in Japan * Santa Rosa International Airport, serving Machala, Ecuador * Essex Terminal Railway, a short line railroad in Canada

See also