ET or et may refer to:
Ethiopia (; Amharic: ኢትዮጵያ, ʾĪtyōṗṗyā, listen , Ge'ez: ኢትዮጵያ, Tigrinya: ኢትዮጵያ, Oromo: Itiyoophiyaa, Somali: Itoobiya, Afar: Itiyoophiyaa), officially the Federal Democratic Republic of Ethiopia (የኢትዮጵያ ፌዴራላዊ ዲሞክራሲያዊ ሪፐብሊክ, yeʾĪtiyoṗṗya Fēdēralawī Dēmokirasīyawī Rīpebilīk, listen ), is a landlocked country in the Horn of Africa.
Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is a chemical compound, a simple alcohol with the chemical formula C2H6O.
An ethnic group or ethnicity is a category of people who identify with each other, usually on the basis of a presumed common genealogy or ancestry or on similarities such as common language or dialect, history, society, culture or nation.
Eton College () is a 13–18 independent boarding school and sixth form for boys in the parish of Eton, near Windsor in Berkshire, England.
The Etruscan civilization () is the modern name given to a civilization of ancient Italy in the area corresponding roughly to Tuscany, western Umbria, northern Lazio, with offshoots also to the north in the Po Valley, in the current Emilia-Romagna, south-eastern Lombardy and southern Veneto, and to the south, in some areas of Campania.A culture that is identifiably Etruscan developed in Italy about 900 BC, approximately with the Iron Age Villanovan culture, regarded as the oldest phase of Etruscan civilization, and derived from the previous late Bronze Age Proto-Villanovan culture.
Ethylenediaminetetraacetic acid (EDTA), also known by several other names, is a chemical used for both industrial and medical purposes.
Ethereum is an open source, public, blockchain-based distributed computing platform and operating system featuring smart contract (scripting) functionality.
Etihad Airways (Arabic: شَرِكَة ٱلْاِتِّحَاد لِلطَّيْرَان, romanized: sharikat al-ittiḥād li-ṭ-ṭayarān) is the second-largest airline in the UAE (after Emirates).