USS

USS may refer to:

Arts, entertainment, and media

 * Ubiquitous Synergy Seeker, a Canadian band
 * Universal Studios Singapore, a theme park in Singapore

Businesses and organizations

 * Union of Sovereign States, the planned successor to the Soviet Union
 * Union Switch & Signal, a supplier of railroad switching equipment
 * Union Syndicale Suisse, the Swiss Trade Union Confederation
 * United Seamen's Service, a non-profit, federally chartered organization founded in 1942
 * United State of Saurashtra, a separate, western State within the Union of India from 1948 until 1956
 * United States Senate, the upper chamber of the United States Congress
 * U.S. Steel Corporation
 * USA Swimming, formerly United States Swimming, the national governing body for competitive swimming in the US
 * Universities Superannuation Scheme, a pension scheme in the United Kingdom
 * United Peasant Party (Ujedinjena seljačka stranka), a political party in Serbia

Computing

 * Unformatted System Services, the mechanism within VTAM to format a session's logmode and application. An equivalent facility in TN3270 also specifies a logon screen.
 * UNIX System Services, a component of z/OS that provides Unix compatibility
 * Upload Speed Sense, a method of regulating a host's upload bandwidth in the eMule client

Health care

 * Ultrasound scan, a scientific and medical imaging technique (usually refers to medical ultrasound)
 * Upshaw–Schulman syndrome, the recessively inherited form of thrombotic thrombocytopenic purpura
 * Universal Spinal System, an implantable device (instrumentation) system for correcting scoliosis

Schools

 * University of Southern Somalia
 * Uxbridge Secondary School, a high school in Uxbridge, Ontario, Canada

Other uses

 * United States Ship, typically as a ship prefix in the United States Navy (includes submarines)
 * United States Standard, an older standard of screw thread
 * In the fictional Star Trek universe, either United Space Ship or United Star Ship