| Acronym | Definition |
|---|
| ITL | Italian Lira (old currency code; replaced by EUR) |
| ITL | Information Technology Laboratory |
| ITL | In the Loop |
| ITL | In the Life |
| ITL | Initiator Target and Lun |
| ITL | Inter Layer |
| ITL | Independent Test Lab |
| ITL | International Trade Logistics |
| ITL | Institute of Technology Law (National Chiao Tung University; Taiwan) |
| ITL | Inexpedient to Legislate (New Hampshire legislature) |
| ITL | International Trade Law |
| ITL | Istituto Sui Trasporti e la Logistica (Italian) |
| ITL | Information Technology Literacy |
| ITL | Instructor-Led Training |
| ITL | Infosys Technologies Limited (India) |
| ITL | Investment Trust Law (Japan) |
| ITL | Interleaver |
| ITL | Informatics Teaching Laboratory (UK) |
| ITL | Inhalation Toxicology Laboratory (various locations) |
| ITL | Imaginative Technologies Ltd. (UK) |
| ITL | Industrial Training Levy |
| ITL | Irvine Technologies Ltd. (financial computing; UK) |
| ITL | Instrument Transformers Ltd. (Scotland, UK) |
| ITL | Into the Lifestyle |
| ITL | Independent Testing Labs, Inc (Boulder, Colorado) |
| ITL | Intent To Launch |
| ITL | Integrated Transfer Launch (Cape Canaveral) |
| ITL | Integration Test and Launch |
| ITL | Integrated Test Lines |
| ITL | Interdivisional Technical Liaison (IBM conference) |
| ITL | International Telecommunications Limited |
| ITL | Install Time Licensing |
| ITL | Istituto per la Tecnolgia del Legno (Wood Technology Institute) |
| ITL | IntraSearch Template Language (proprietary markup language; whatUseek, Corp) |
| ITL | Integrated Testing Lab |
| ITL | Industries Test Lab (Philadelphia Naval Shipyard, PA) |