ECL

ECL may refer to:

Science and technology

 * Electrochemiluminescence
 * Enhanced chemiluminescence
 * Emitter-coupled logic
 * Enterochromaffin-like cell

Computing

 * ECL programming language, an extensible programming language
 * ECL (data-centric programming language)
 * Embeddable Common Lisp

Sport

 * East Cornwall League, an English football league
 * Eastern Colored League, a defunct American baseball league
 * Eastern Counties Football League, in England
 * European Cricket League, a professional cricket league organized by ICC member federations
 * UEFA Europa Conference League, annual football club competition organised by UEFA
 * European Champions League (table tennis), annual table tennis club competition

Other uses

 * Eccleston Park railway station, in England
 * Ecolab, a sanitation supply company
 * École centrale de Lyon, a graduate engineering school in Lyon, France
 * Educational Community License, a software license
 * Exit Control List, system of border control maintained by the Government of Pakistan
 * Extended collective licensing, collective copyright and related rights laws and licensing agreement