ECSA From Wikipedia the free encyclopedia ECSA may refer to: Edinburgh College Students' Association Editorial Complutense Electoral Commission of South Australia Electrochemical active surface area Engineering Council of South Africa European Citizen Science Association European Composer and Songwriter Alliance European Community Shipowners' Associations Topics referred to by the same term This disambiguation page lists articles associated with the title ECSA.If an internal link led you here, you may wish to change the link to point directly to the intended article.