| Acronym | Definition |
|---|
| ULSA➣Universidad La Salle |
| ULSA➣Utah Life Science Association (Salt Lake City, UT) |
| ULSA➣University of Leeds Speleological Association (caving club; Leeds, UK) |
| ULSA➣University of Labour and Social Affairs (social work; Vietnam) |
| ULSA➣Ultra Low Sidelobe Antenna |