ETR may refer to:

Transportation

ElettroTreno ETR (Italian: ''Elettro Treno Rapido'', "Rapid Electric Train") is a series of Italian High-speed rail, high-speed trains. Tilting EMU trains *ETR 401 *FS Class ETR 450, ETR 450 *FS Class ETR 460, ETR 460 *FS Class ETR 470, ETR 470 *FS Class ETR ...

, a series of Italian high-speed trains *

Echigo Tokimeki Railway The , officially abbreviated as ETR, is a Japanese third-sector railway operator. It was established in 2010 to operate passenger railway services on the sections of the JR East Shinetsu Main Line and JR West Hokuriku Main Line within Niigata P ...

, a railway operating company in Japan *

Santa Rosa International Airport Santa Rosa International Airport (also known as Coronel Artilleria Victor Larrea Airport) is an airport serving Machala, the capital of El Oro Province in Ecuador. Located south in Santa Rosa, it replaces the closed General Manuel Serrano Airp ...

, serving Machala, Ecuador *

Essex Terminal Railway Essex Terminal Railway (; often referred to as ETR) is a Canadian shortline terminal railroad, running from the City of Windsor, Ontario through LaSalle, to Amherstburg, Ontario, for a distance of approximately . ETR has direct connections to ...

, a short line railroad in Canada

Other

Second East Turkestan Republic The East Turkestan Republic (ETR) was a satellite state of the Soviet Union in northern Xinjiang (East Turkestan) that existed from 1944 to 1946. It is often described as the Second East Turkestan Republic to differentiate it from the First E ...

Edolo language Edolo (Etoro) is a Papuan language of Papua New Guinea, spoken by the Etoro people The Etoro, or Edolo, are a tribe and ethnic group of Papua New Guinea. Their territory comprises the southern slopes of Mt. Sisa, along the southern edge of th ...

; ISO language code *

Entergy Entergy Corporation is a Fortune 500 integrated energy company engaged in electric power production and retail distribution operations in the Deep South of the United States. Entergy is headquartered in New Orleans, Louisiana, and generates and ...

Corporation; NYSE stock symbol *

Etravirine Etravirine (ETR,), sold under the brand name Intelence is an antiretroviral medication used for the treatment of HIV. Etravirine is a human immunodeficiency virus type 1 (HIV-1) non-nucleoside reverse transcriptase inhibitor (NNRTI). Unlike age ...

, a drug used to suppress HIV replication *

Existential theory of the reals In mathematical logic, computational complexity theory, and computer science, the existential theory of the reals is the set of all true sentences of the form \exists X_1 \cdots \exists X_n \, F(X_1,\dots, X_n), where the variables X_i are interpr ...

, formal language in computer science *

Express Toll Route King's Highway 407, commonly referred to as Highway 407 and colloquially as the "four-oh-seven", is a 400-series highway in the Canadian province of Ontario. Comprising a tolled privately leased segment and a publicly owned segment, the route s ...

, in Canada; Ontario Highway 407

Transportation

Other

See also