ITL

ITL can refer to:

• International Territorial Level, geographic classification in the United Kingdom.
• Imaging Technology Laboratory, part of the University of Arizona's Steward Observatory
• In the Labyrinth, a role-playing system built on The Fantasy Trip
• Inferential theory of learning
• Information Technology Limited, a British computer company of the 1980s (formerly CTL)
• Information Technology Laboratory, a United States Army Corps of Engineers Laboratory
• Information Technology Laboratory, a United States National Institute for Standards and Technology (NIST) laboratory since 2010
• Integrate-Transfer-Launch Complex, a rocket launch site at Cape Canaveral Space Force Station
• Institute of Technology Law, National Chiao Tung University a law school in Taiwan
• Interval Temporal Logic, a temporal logic
• Islamic Tools and Libraries, a subproject of Arabeyes software which provides Hijri dates, Muslim prayer times and Qibla
• Italian lira, the former currency of Italy that had ISO 4217 code ITL
• Iterative test-last, opposite of iterative test-first software development process
• Estonian Association of Information Technology and Telecommunications, abbreviated in Estonian as ITL
• ITL, Russian-language abbreviation for "correctional labor camp", used in the names of GULAG labor camps