| Acronym | Definition |
|---|
| ISL➣Island |
| ISL➣Iceland (ISO Country code) |
| ISL➣IBM (International Business Machines Corporation) Software Labs |
| ISL➣Islamabad (Pakistan) |
| ISL➣Independent School League |
| ISL➣Inter-Switch Link (Cisco) |
| ISL➣Indoor Soccer League (various locations) |
| ISL➣Institute of Shipping Economics and Logistics |
| ISL➣Investment Services Limited |
| ISL➣Illinois State Library |
| ISL➣Intelligent Systems Laboratory |
| ISL➣Indian Sign Language |
| ISL➣International Sign Language (auxiliary language) |
| ISL➣Impact on Student Learning (various organizations) |
| ISL➣Information Systems Limited (various locations) |
| ISL➣International Student Life (various schools) |
| ISL➣Information Systems Laboratory |
| ISL➣Inter Subnetwork Link |
| ISL➣Inter Switch Link |
| ISL➣Industry Solutions Labs |
| ISL➣Inter Satellite Link |
| ISL➣Intermediate Silicon Layer |
| ISL➣Internal Systems Limited |
| ISL➣Integrated Service-Learning (various schools) |
| ISL➣In-Situ Leaching (Uranium mining) |
| ISL➣Initial System Loader |
| ISL➣Information Solutions Ltd. (various locations) |
| ISL➣India Software Lab (IBM) |
| ISL➣Island Soccer League (Bermuda) |
| ISL➣Inverse Square Law (physics) |
| ISL➣French-German Research Institute Saint Louis |
| ISL➣Intersatellite Link |
| ISL➣Inertial Systems Laboratory (US NASA) |
| ISL➣Integrated Systems Laboratory |
| ISL➣International School of Lausanne (Lausanne, Switzerland) |
| ISL➣Interactive System Language |
| ISL➣Industrial Security Letter |
| ISL➣Information Security Laboratory (various locations) |
| ISL➣International School of Luxembourg |
| ISL➣Industry Solutions Lab (IBM) |
| ISL➣Internet Solutions Limited (Canada) |
| ISL➣Institute of State and Law |
| ISL➣Involuntary Stress Leave |
| ISL➣Integrated Stop Loss (insurance) |
| ISL➣Intermediate Silicon Layers |
| ISL➣Individual Stop Loss (insurance industry) |
| ISL➣Integrated Schottky Logic |
| ISL➣Indeterminate Sentence Law (California) |
| ISL➣Integrated Sidelobe Level |
| ISL➣In Silico Liver |
| ISL➣Installation Sequence List |
| ISL➣Inside Skin Line |
| ISL➣Industrial Safety Legislation |
| ISL➣Initial/Integrated Stock List |
| ISL➣Intersite Link |
| ISL➣Item Study Listings |
| ISL➣Inbucon Services, Ltd. (Canada) |
| ISL➣IMO ShortList (International Mathematical Olympiad) |
| ISL➣Isospin Facility |
| ISL➣Integrated Services Lab (Sprint - Ion Lab) |
| ISL➣Inter-Shelter LAN |
| ISL➣Ice Strengthened Lifeboat |
| ISL➣Integral Senior Living, LLC (senior care residential facilities; Carlsbad, CA) |