Est

Est, EST, est, -est, etc. may refer to:

Arts and entertainment

est: The Steersman Handbook, a science fiction book published in 1970
Ed Sullivan Theater, New York, built in 1927
Ensemble Studio Theatre, New York, founded in 1968
Esbjörn Svensson Trio, a Swedish jazz trio
{{interlanguage link|E.S.T. (band)|ru|Э.С.Т.}}, a Soviet and Russian heavy metal band featured in the 1992 film For Those About to Rock: Monsters in Moscow
E.S.T., a song by British band White Lies from their 2009 album To Lose My Life...
E.S.T. - Trip to the Moon, a song by Alien Sex Fiend from their 1984 album Acid Bath

Est (Chamber of Deputies of Luxembourg constituency), an electoral constituency in Luxembourg
Est, Netherlands, a town in Gelderland
Estonia (ISO 3166 alpha-3 code: EST)

Edinburgh Science Triangle, a multi-disciplinary partnership in Scotland
Electroconvulsive therapy, formerly electroshock therapy, a form of treatment
Endodermal sinus tumor, a cancerous germ cell tumor
Estrone sulfotransferase, an enzyme catalyzing the transformation of an unconjugated estrogen into a sulfated estrogen
European Solar Telescope, a proposed observatory
Expressed sequence tag, a short sub-sequence of a cDNA sequence

Australian Eastern Standard Time or AEST (UTC+10), see Time in Australia
Eastern Standard Time or EST (UTC−5) in the Americas, officially "Eastern Time Zone"
Egypt Standard Time or EGY (UTC+2)
European Summer Time (varies from UTC to UTC+3), in several time zones, see Summer time in Europe

Eastern Sierra Transit, a transit agency in California
Energy Saving Trust, a British organization for fighting climate change, formed in 1992
Erhard Seminars Training (est), a New Age large-group awareness training program, 1971–1984
{{lang|fr|Espérance Sportive de Tunis}}, a Tunisian multi-sports club, founded in 1919
Est Cola, a Thai soft drink, launched in 2012
Effort satisficing theory, a decision-making strategy; see {{slink|Satisficing|Effort satisficing theory}}