HIAL
| Acronym | Definition |
|---|---|
| HIAL | Highlands and Islands Airports Ltd. (Scotland, UK) |
| HIAL | Highlands and Islands Airports Limited (UK) |
| HIAL | Hyderabad International Airport Limited |
| HIAL | High Intensity Approach Lighting (aviation) |
| HIAL | Health Information Access Layer (Interface Specification for Electronic Health Records) |
| HIAL | Hamilton International Airport Limited (Hamilton, Ontario, Canada) |
| HIAL | Hepatic Intra-Arterial Lipiodol |
| HIAL | Hierro y Aluminio (Spanish: Iron and Aluminum) |