VAT
UST stands for:
- UST Global , an IT services company in the United States
- Umhverfisstofnun , the Icelandic state nature and environmental protection agency
- University of St. Thomas (Texas)
- Universal Standard for Tubeless , a type of bicycle rim that does not require a tube or rim tape
USt stands for:
Ust stands for:
- Reloading point at the railway
