USS

USS may refer to:

Organizations

• Union of Secondary Students, a student-rights advocacy group in Ireland
• 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
• United States Senate
• United States Steel Corporation
• USA Swimming, formerly United States Swimming, the national governing body for competitive swimming in the US

Computing

• Unformatted System Services, the mechanism within VTAM to format a terminal's initial screen and route to selected applications
• Informally, and arguably incorrectly, UNIX System Services, a component of z/OS
• 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

Transportation

• United States Ship, typically as a ship prefix in the United States Navy (includes submarines)

Entertainment

• Ubiquitous Synergy Seeker, a Canadian band, also known as USS or U.S.S.
• United Star Ship or United Space Ship, as a ship prefix in the Star Trek franchise
• Universal Studios Singapore, a theme park in Singapore

Other

• United States Standard, an older standard of screw thread
• Universities Superannuation Scheme, a pension scheme in the United Kingdom
• Uxbridge Secondary School, a high school in Uxbridge, Ontario, Canada
• University of Southern Somalia
• United State of Saurashtra