DCL may be:

• 650 in Roman numerals
• Darc-contest-logbook
• Data Center Linux
• Data Control Language
• Data Connection Library
• DC Leakage, an electrical specification for capacitors
• Detroit College of Law, now known as Michigan State University College of Law
• Dialog Control Language
• Diffuse Cutaneous Leishmaniasis
• DIGITAL Command Language
• Distributed Control Lab
• Doctor of Canon Law
• Doctor of Civil Law
• Double-checked locking
• Disney Cruise Line
• Direct container line
• Also, an abbreviation for Deep Creek Lake, Maryland.
• Data Connection Limited
• Double Choco Latte Popular Open Source Project Management Tool (DCL)
• DCL (linux distribution) a Puppy Linux Derivative

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