There are a number of possibilities, depending on the context. Most likely is "European Commission" which is the executive branch of the European Union. It's also the country code for Ecuador. I'd have to know where you read it to be sure.

could be anything!

One really needs to know in what context the letters were used in order to know what the meaning might be. An EC Teacher would be one that was an Early Childhood Teacher. As indicated in the previous answer, EC might stand for European Commission or European Community EC could also be Economic Committee EC Teleconferencing might be Electronic Communications B.Ec. is a Bachelor of Economics degree I'm sure that there are many more and of course the letters would differ depending on the language Just Google "EC" and you will get an idea of how many different items are abbreviated by those two letters

It may have something to do with competition law. Check out this website. The concept of the relevant market plays a central and often critical role in the application of EC competition law. www.practicallaw.com/jsp/article.jsp?item=:185625 - 24k -