HSIA
| Acronym | Definition |
|---|---|
| HSIA | High Speed Internet Access |
| HSIA | Halogenated Solvents Industry Alliance |
| HSIA | Homeland Security Industries Association (est. 2002) |
| HSIA | Halifax Stanfield International Airport |
| HSIA | Health Systems Impact Assessment (EU) |
| HSIA | Hardware/Software Interaction Analysis |