| ILAS | Institute for Lifecourse and Society 
| Others |
| ILAS | Institute of Latin American Studies
| Others |
| ILAS | Institute of Liberal Arts and Sciences
| Others |
| ILAS | Instituto Latino Americano da Sepse
| Others |
| ILAS | Instrument Landing Approach System
| Others |
| ILAS | Integrated Licence Application System
| Others |
| ILAS | Integrated Lift Axle Steering
| Others |
| ILAS | Integrated Lift Axle System
| Others |
| ILAS | International Legal Accounting Solutions
| Others |
| ILAS | International Legal and Accounting Solutions
| Others |
| ILAS | International Linear Algebra Society
| Others |
| ILAS | International Location Advisory Services
| Others |
| ILAS | Investment Linked Assurance Scheme
| Others |
| ILAS | Investment Linked Assurance Schemes
| Others |
| ILAS | Irish Light Aviation Society
| Others |