ETA
Eta or ETA stands for:
- Eta (Greek neuter Ήτα, uppercase Η, minuscule η), the seventh letter of the Greek alphabet
 - Eta (airplane) (proper spelling: eta), a glider
 - ETA SA , Swiss manufacturer of watch movements
 - η-meson (eta-meson), subatomic particle
 - Etainsel , island in the Antarctic Palmer Archipelago
 - an engine variant from the manufacturer BMW, see BMW M20 # Special features of the eta version
 - a subgroup of the Buraku, see Buraku # development
 
ETA is an abbreviation for:
- Railway equipment
 - Electronic Travel Authority , an electronic visa for entry into Australia
 - Electronic Travel Authorization (eTA) , an electronic procedure for visa-free entry into Canada
 - Electric railcar with accumulators , see accumulator railcar
 - Electrotechnical apparatus , a manufacturer of device circuit breakers and supplier of electronic devices, see ETA
 - Electrical engineering assistant , a job title, see technical assistant
 - Empresa de Transporte Aéreo , former Brazilian airline
 - Extended word problem , part of the secondary school final exam in English in Baden-Württemberg
 - Estimated time of arrival , German: estimated time of arrival
 - Estimated time of availability , German: expected availability, announcement time of the availability of shutdown systems (servers, websites, etc.)
 - Estimated time available , German: estimated deadline; Deadline specified in project planning to complete a process
 - Estonian Academy of Sciences (Estonian: Eesti Teaduste Akadeemia )
 - ETA ( European Technical Assessment , formerly European Technical Approval ), a proof of technical fitness of a construction product under the EU Construction Products Regulation
 - European Tax Analyzer , a simulation application used to calculate effective tax rates for companies
 - European Thyroid Association , specialist society for the promotion of thyroid research
 - Euskadi Ta Askatasuna , former Basque terrorist organization
 - Event Tree Analysis , a quality management methodology, see event tree analysis
 
Eta is the family name of the following people:
- Marie-Louise Eta (* 1991), former German soccer player
 
See also: