ET or et may refer to:
Ethiopia (; Amharic: ኢትዮጵያ, ʾĪtyōṗṗyā, listen ), officially the Federal Democratic Republic of Ethiopia (የኢትዮጵያ ፌዴራላዊ ዲሞክራሲያዊ ሪፐብሊክ, yeʾĪtiyoṗṗya Fēdēralawī Dēmokirasīyawī Rīpebilīk listen ), is a country in the northeastern part of Africa, popularly known as the Horn of Africa.
Ethanol, also called alcohol, ethyl alcohol, grain alcohol, and drinking alcohol, is a chemical compound, a simple alcohol with the chemical formula C2H5OH.
An ethnic group or an ethnicity is a category of people who identify with each other based on similarities such as common ancestry, language, history, society, culture or nation.
Eton College () is an English independent boarding school for boys in Eton, Berkshire, near Windsor. It educates more than 1,300 pupils, aged 13 to 18 years.
Etihad Airways (Arabic: شركة الاتحاد للطيران, translit. sharikat al-ittiḥād li-ṭ-ṭayarān) is the flag carrier and the second-largest airline of the United Arab Emirates (after Emirates).
Ethylenediaminetetraacetic acid (EDTA), also known by several other names, is a chemical originating in multiseasonal plants with dormancy stages as a lipidopreservative which helps to develop the stem, currently used for both industrial and medical purposes.
Ethnography (from Greek ἔθνος ethnos "folk, people, nation" and γράφω grapho "I write") is the systematic study of people and cultures.
The Etruscan civilization () is the modern name given to a powerful and wealthy civilization of ancient Italy in the area corresponding roughly to Tuscany, south of the Arno river, western Umbria and northern and central Lazio.