| LUCAS | Lancaster University Computer Assessment System 
| Others |
| LUCAS | Land Use Change Analysis System
| Others |
| LUCAS | Lasts Until Car Actually Starts
| Others |
| LUCAS | Learning and Understanding Children in All Societies
| Others |
| LUCAS | Logwares Universal Commerce Application System
| Others |
| LUCAS | London Undergound Combined Access System
| Others |
| LUCAS | London Underground Combined Access System
| Others |
| LUCAS | Lund University Cardiac Assist System
| Others |
| LUCAS | Lund University Cardiopulmonary Assist System
| Others |