GSIA
| Acronym | Definition |
|---|---|
| GSIA | Graduate School of Industrial Administration |
| GSIA | Gloucestershire Society for Industrial Archaeology (UK) |
| GSIA | Goa State Industries Association (India) |
| GSIA | Greater Springfield Interfaith Association (Springfield, IL) |
| GSIA | Gesellschaft Schweizerischer Industrie Apotheker (Swiss Society of Industrial Pharmacists) |