EST

EST or Est or est may stand for:
* est in French, meaning "east", as in referring to France and to the Franche-Comté and Lorraine régions
* Eastern Standard Time - three separate time zones use this name:
** the Australian time zone at UTC+10
** the Brazilian Eastern time zone at UTC-3
** the North American time zone at UTC-5
* Electroshock Therapy, subsequently known as "Electroconvulsive Therapy" (ECT)
* Electron Spiral Toroid (Energy technology)
* est or Erhard Seminars Training, a New-Age Large Group Awareness Training seminar program, regarded by some as a cult
* Esbjörn Svensson Trio, a Swedish jazz trio which issues recordings under the acronym "EST"
* Est (Fire Emblem archetype), opposite of the Jeigan archetype in the Nintendo video game series
* Est (Netherlands), a town in Gelderland
* EST.. - a New Zealand graffiti-influenced art label
* est. - abbreviation for "established"
* est. - abbreviation for "estimated" or "estimate"
* Estonia (in, for example, the ISO 3166-1 alpha-3 country-code system)
* est - the Estonian language in ISO 639.2 or ISO/DIS 639-3 language codes
* European Summer Time - the daylight-saving time used in Europe â€" the period during which clocks run one hour in advance of the official time observed during the rest of the year
* Expressed Sequence Tag, the (usually partial) sequence of a gene transcript in biology
* -est, a suffix used in English to form a superlative adjective or adverb