FRSI
| Acronym | Definition |
|---|---|
| FRSI | Fundacja Rozwoju Spoleczenstwa Informacyjnego (Polish: Information Society Development Foundation) |
| FRSI | Felt Reusable Surface Insulation (aerospace engineering) |
| FRSI | Flexible Reusable Surface Insulation |
| FRSI | Family Resources and Support Institute (California) |
| FRSI | Forensic Reconstruction Specialists Inc. |
| FRSI | Farm-Related Service Industries |