CDL is the abbreviation of: Chancellor of the Duchy of Lancaster, a senior appointment in the British cabinet Chief of Defence Logistics, formerly a senior appointment in the British Armed Forces Organizations California Digital Library Canadian Defence Lawyers House of Freedoms (Casa delle Libertà; CdL), a former political alliance in Italy China Democratic League, a social liberal political party in China Chung Dahm Learning, is an English language institute in South Korea Citadel Broadcasting Corporation stock ticker until early 2010 Citizens for Decency through Law, pro-censorship advocacy body City Developments Limited, a Singapore-based international real estate development company College du Leman, a Swiss boarding and day school Technology Canal Defence Light, a World War 2 British secret weapon Character Description Language Color Decision List Common Data Link Compiler Description Language, to develop computer compilers Command Language Definition of DCL Configuration Deviation List, see List of aviation, aerospace and aeronautical abbreviations Controlled digital lending, a model of digital library Other uses Call of Duty League, a professional esports league for the video game series Call of Duty Child-directed language, or baby talk Commercial Driver's License, a driver license required for operation of commercial motor vehicles including trucks, buses, and trailers. Container-deposit legislation, any law that requires the collection of a monetary deposit on beverage containers 450 in Roman numerals "CDL"