USIA
| Acronym | Definition |
|---|---|
| USIA | United States Information Agency |
| USIA | United Sabah Islamic Association |
| USIA | United States Intelligence Agency, Inc. |
| USIA | Uprawlenije Sowjetskowo Imuschtschestwa Awstrii (Russia: Administration for Soviet Property in Austria) |
| USIA | User Signal Interface Adapter |
| USIA | United States Islands Award |