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 located in the Horn of Africa.
Ethanol, also called alcohol, ethyl alcohol, and drinking alcohol, is the principal type of alcohol found in alcoholic beverages.
Ethereum is an open-source, public, blockchain-based distributed computing platform featuring smart contract (scripting) functionality, which facilitates online contractual agreements.
An ethnic group or ethnicity is a category of people who identify with each other based on similarities such as common ancestral, language, social, cultural or national experiences.
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 sharikat alittiḥād liṭṭayarān) is a flag carrier and the second-largest airline of the UAE (after Emirates).
Ethylenediaminetetraacetic acid (EDTA), also known by several other names, is a chemical used for both industrial and medical purposes.
The Etruscan civilization () is the modern name given to a powerful and wealthy civilization of ancient Italy in the area corresponding roughly to Tuscany, western Umbria, and northern Lazio.