ICL

ICL may refer to:

Commerce and communication standards

• ISO 639-3 code for Icelandic Sign Language, the sign language of the deaf community in Iceland
• Image cash letter, a virtual cheque

Companies and organizations

• ICAO designator for CAL Cargo Air Lines, an Israeli cargo airline
• Idaho Conservation League, an environmental protection organization in the U.S. state of Idaho
• Imperial College London, a public research university located in London, United Kingdom
• Indian Confederation of Labour, a small trade union federation in India
• Indian Cricket League, a professional Twenty20 cricket league in India
• International Communist League, can refer to several Trotskyist political parties
• International Computers Limited, a former British computer company, acquired by Fujitsu and renamed Fujitsu Services
• International Congress of Linguists
• Israel Chemicals Ltd., a chemicals concern (OTC:ICLXF.PK), one of Israel's largest companies

Law

• International constitutional law

Medicine

• Idiopathic CD4+ lymphocytopenia, a medical condition
• Implantable collamer lens
• Intracaval leiomyomatosis

Science and technology

• Filename extension used by Clean (programming language)
• Intel C++ Compiler, a group of C/C++ Compilers from Intel (also known as icc)
• International Conference on Interactive Computer Aided Learning, an annual International Association of Online Engineering conference
• Inrush current limiter, a component used to limit inrush current in an electric circuit
• ICl, chemical symbol for iodine monochloride
• Filename extension for icon library, a computer file containing Microsoft Windows icon resources
• Inter-Chassis Link, a name for an InterSwitch Trunk link, used by Brocade Communications Systems
• Isocitrate lyase, an enzyme