ELT

ELT may refer to:

Science and technology

• Emergency Locator Transmitter, a type of distress beacon used in aircraft
• Extremely large telescope, a type of telescope
• Effective lifetime temperature, a quantity used in rehydroxylation dating of a ceramic artifact
• Electronic Light Table
• Extract, load, transform - a data integration process for transferring data and preparing it for downstream uses

Education

• English Language Teaching, see English language learning and teaching
• Expanded learning time, additional time in school beyond the traditional 6.5 hours, 180 days school year in the United States

Medicine and biology

• Euglobulin lysis time, a measure of overall blood clot breakdown
• Endovenous laser treatment, a treatment for varicose veins

Television, film, and music

• Every Little Thing (band), a Japanese J-Pop band
• "ELT", a song by the band Wilco from their 1999 album Summerteeth

Other uses

• East London Transit, bus rapid transit (UK)
• Electronic lien and title, a title of ownership that exists only in electronic form
• Eltek ASA (OSE: ELT), a telecom company based in Norway
• Executive leadership team, the team of business executives that manages a corporation.