| Acronym | Definition |
|---|
| USS | United States Ship |
| USS | Universal Studios Singapore (movie theme park) |
| USS | United States Steel |
| USS | United States Senate |
| USS | Ukrainian Security Service (law enforcement) |
| USS | Union Syndicale Suisse (Swiss Federation of Trade Unions) |
| USS | University Student Senate (various schools) |
| USS | Universities Superannuation Scheme (UK) |
| USS | Unformatted System Services |
| USS | Uphill Start Support |
| USS | Unix System Services |
| USS | Unix System Services (IBM) |
| USS | Universal Spine System (medical equipment) |
| USS | United States Swimming |
| USS | Unit Supply Specialist (US Army) |
| USS | Ultra Steep Spectrum (astronomy) |
| USS | Ultrasound Scan |
| USS | Under-Seat Steering |
| USS | Ubiquitous Synergy Seeker (band) |
| USS | University Support Services (various universities) |
| USS | Unity Secondary School (Singapore) |
| USS | Undersea Systems |
| USS | United Seamen's Service |
| USS | Underground Storage System (various locations) |
| USS | United Star Ship (Star Trek) |
| USS | Unix Systems Services |
| USS | Uniform Symbology Specification |
| USS | Utility Support Systems, Inc. (various locations) |
| USS | Unit Security Supervisor (Canada) |
| USS | Upload Speed Sense (P2P, eMule) |
| USS | United States Survey |
| USS | Uncorrected Sum of Squares |
| USS | Uptake Signal Sequences |
| USS | Undergraduate Summer School (various schools) |
| USS | Utility Support Structure (US NASA) |
| USS | Unique Support Structure |
| USS | Upshaw-Schulman Syndrome |
| USS | Universal Suppression Service (software) |
| USS | Ultrasonic Soldering |
| USS | Universal Support System |
| USS | United State Standard |
| USS | User Services Subsystem |
| USS | User Services Support |
| USS | Uni-Strut Support |
| USS | Unit Supply System |
| USS | United Specialty Services (Galesburg, IL) |
| USS | Unsynchronized System |
| USS | USAREUR Support System |
| USS | User Support Subsystem |
