ETA may refer to any of the following:
1. ETA-I (Electronic Technicians Association International), ETA is a non-profit association that was founded in 1978 that certifies electronics equipment service and support. Some examples of the ETA-I certifications are the CST, CNCT, and CNST.
2. Short for estimated time of arrival, ETA is an estimate time for something to be done or the time someone or something is arriving.