| Acronym | Definition |
|---|
| USAE➣Ursuline Society and Academy of Education |
| USAE➣Unione Sindacati Autonomi Europei (Italian: European Union of Autonomous Trade Unions; Rome, Italy) |
| USAE➣Ultrasound-Stimulated Acoustic Emission |
| USAE➣United States Army Engineer |
| USAE➣United States of America Equestrian (horse show organization, formerly AHSA, now USEF) |
| USAE➣US Association Executive |