ECT may refer to:
Educational institutions École Canadienne de Tunis, a school in Tunis, Tunisia Emirates College of Technology, in Abu Dhabi
Government and politics Catalan Workers' Left (), a former political party in France Correios, the Brazilian postal service Energy Charter Treaty, for cross-border cooperation
Medicine and psychology Ecarin clotting time Ectomesenchymal chondromyxoid tumor Electrochemotherapy Electroconvulsive therapy Elementary cognitive task Emission computed tomography Expectation confirmation theory
Religion Eternal conscious torment, a view of Hell in Christianity Evangelicals and Catholics Together, an ecumenical document
Technology ECN-capable transport, related to Internet explicit Congestion Notification Eddy-current testing Edge crush test Electrical capacitance tomography Elementary comparison testing European Centre of Technology
Transportation Ealing Community Transport, UK East Chicago Transit, in Illinois, US Eastern Continental Trail, in eastern North America
Other uses Ecuador Time (UTC−5), standard time zone ECT (TV programme), UK, 1985