UST

UST or Ust may refer to:

Organizations

 * UST (company), American digital technology company
 * Equatorial Guinea Workers' Union
 * Union of Trade Unions of Chad (Union des Syndicats du Tchad)
 * United States Television Manufacturing Corp.
 * UST Growling Tigers, men's varsity team
 * UST Inc., tobacco company

Universities

 * University of Science and Technology (disambiguation)
 * Hong Kong University of Science and Technology (HKUST)
 * Korea University of Science and Technology in South Korea
 * University of Santo Tomas in Manila, Philippines
 * University of St. Thomas (Minnesota)
 * University of St. Thomas (Texas) in Houston, US

Places

 * Northeast Florida Regional Airport, St. Augustine, US, IATA Code
 * Oskemen, Kazakhstan: Ust-Kamenogorsk in Russian
 * Qala Wust or Ūst, Badakhshan Province, Afghanistan

Other uses

 * Universal System Tubeless, a tubeless tire rim patented by Mavic
 * Underground storage tank
 * United States Treasury security, a bond issued by the federal government
 * Unsepttrium, an unsynthesized chemical element
 * .ust, file extension for Utau project files
 * Ultimate Success Today, 2020 Protomartyr album
 * TerraUSD (by ticker symbol), a stablecoin cryptocurrency developed by Do Kwon