| Acronym | Definition |
|---|
| ILT | Instructor-Led Training |
| ILT | Inspectie Leefomgeving en Transport (Dutch: Inspection of Living Environment and Transport; Netherlands) |
| ILT | Institute for Learning Technologies (Columbia University, NY) |
| ILT | Inverse Laplace Transform (mathematics) |
| ILT | Instructor Lead Classroom Training |
| ILT | Institute for Laser Technology |
| ILT | Infectious Laryngotracheitis |
| ILT | Institute for Learning and Teaching (UK) |
| ILT | International Leadership Team (various organizations) |
| ILT | I Like Trains (forum) |
| ILT | Information Learning Technology |
| ILT | Institute of Logistics and Transport |
| ILT | In Late Today |
| ILT | Interdisciplinary Learning and Teaching |
| ILT | In-Line Tee (oil and gas production) |
| ILT | Inverse Lithography Technology |
| ILT | Invercargill Licensing Trust (New Zealand) |
| ILT | Independent Living Training (various organizations) |
| ILT | Incident Location Tool (software; various locations) |
| ILT | Fraunhofer Institute of Laser Technology (Aachen, Germany) |
| ILT | Interactive Learning Toolkit |
| ILT | Is Listening To |
| ILT | I Liked That |
| ILT | I Love Torrents (file-sharing website) |
| ILT | Internal Link |
| ILT | Integrated Learning Technology, Inc |
| ILT | Industrial Language Training |
| ILT | Independent Learning Time (education) |
| ILT | Internal Lifting Tool |
| ILT | Interactive Legal Tools (est. 2006) |
| ILT | Inadequate Lead Time (Sprint) |
| ILT | Installation Lead Time |