| Acronym | Definition |
|---|
| UST➣Underground Storage Tank |
| UST➣University of St. Thomas (Minnesota, Texas) |
| UST➣Umsatzsteuer (German: Tax) |
| UST➣University of Santo Tomas (Manila, Philippines) |
| UST➣Ultra Short Throw (projectors) |
| UST➣Under Saddle Transducer (guitars) |
| UST➣University of Science & Technology (Yemen) |
| UST➣Ultra Shadow Technology |
| UST➣Unofficial Soundtrack |
| UST➣Universidad Santo Tomás (Chile) |
| UST➣Unresolved Sexual Tension |
| UST➣United States Treasury |
| UST➣United Sports Technologies |
| UST➣Unique Street Trucks (truck club) |
| UST➣United States Testing (various locations) |
| UST➣United States Treaty |
| UST➣US Trust Corporation (New York, NY) |
| UST➣Universal Standard Time |
| UST➣Universal Standard for Tubeless (mountain bike tires) |
| UST➣Unstretched |
| UST➣Ultrasound Time (cataract surgery) |
| UST➣Utah State Theatre |
| UST➣Undergraduate Space Training |
| UST➣Ultimate Solution Tools |
| UST➣Unit Security Technician |
| UST➣User Status Table |
| UST➣Urbanna Swim Team (Manassas, Virginia) |
| UST➣Ultra Sonic Testing |
| UST➣Universal Systems and Technology, Inc. |
| UST➣System Universal Tubeless (Mavic) |
| UST➣Union Sportive Tourcoing (French sports organization) |