USU
| Acronym | Definition |
|---|---|
| USU | Usually |
| USU | Utah State University (Logan, UT) |
| USU | Uniformed Services University |
| USU | University of Sumatera Utara (Indonesia) |
| USU | United Services Union |
| USU | Universidade Santa Úrsula (Rio de Janeiro, Brazil) |
| USU | Ural State University (Ekatherinburg, Russia) |
| USU | United States University |
| USU | Underwater Search Unit (various locations) |
| USU | Union Solidariste Universitaire (French: University Solidaristic Union) |