CDL

• AD 450, a year in the Common Era, rendered as "CDL" in Roman numerals
• 450 (number), rendered as "CDL" in Roman numerals

• 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

• Chodiala railway station (station code CDL), Saharanpur, Uttar Pradesh, India; a train station
• Carbondale station (station code CDL), Carbondale, Illinois, USA; a train station
• Candle 2 Airport (IATA airport code CDL), Candle, Alaska, USA; see List of airports in Alaska

• California Digital Library
• Call of Duty League, a professional esports league for the video game series Call of Duty
• Canadian Defence Lawyers
• House of Freedoms (CdL, {{langx|it|link=no|Casa delle Libertà}}), a former political alliance in Italy
• CCAir (ICAO airline code CDL), a U.S. airline
• Liberal Democratic Centre (CDL, {{langx|es|link=no|Centro Democrático Liberal}}), a former political party in Spain
• China Democratic League, a social liberal political party in China
• Christian Defense League, American white supremacist group
• 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

• Canal Defence Light, a World War 2 British secret weapon, an armoured vehicle
• Configuration Deviation List, see List of aviation, aerospace and aeronautical abbreviations
• Commercial driver's license, for commercial motor vehicles (trucks, buses etc.)

• Character Description Language
• Color Decision List
• Common Data Link
• Compiler Description Language, to develop computer compilers
• Command Language Definition of DCL
• Controlled digital lending, a model of digital library

• Child-directed language, or baby talk
• Container-deposit legislation, any law that requires the collection of a monetary deposit on beverage containers

{{canned search|cdl|cd-l|c-dl|c-d-l|cdls}}

• 450 in Roman numerals "CDL"
• CD1
• CDI (disambiguation)
• 450 (disambiguation), rendered as CDL in roman numerals
• {{srt}}

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