| Acronym | Definition |
|---|
| Sta | Santa |
| STA | Station |
| STA | Status |
| Sta | Stationary |
| STA | Surface to Air |
| STA | Spokane Transit Authority |
| STA | Special Temporary Authority |
| STA | Slovenska Tiskovna Agencija (National News Agency of Slovenia) |
| STA | Saint Thomas Aquinas |
| STA | Second Time Around |
| STA | St. Anger (Metallica album) |
| STA | Statistics Department (International Monetary Fund) |
| STA | Student Travel Association |
| STA | Static Timing Analysis |
| STA | Stronger Than All (computer gaming league) |
| STA | Senior Technical Advisor |
| STA | Science and Technology Agency |
| STA | Science and Technology Agency (Japan) |
| STA | Stormwater Treatment Area (Everglades) |
| STA | Spanning Tree Algorithm |
| STA | Swimming Teachers Association (UK) |
| STA | State Transit Assistance |
| STA | Surveillance and Target Acquisition |
| STA | St. Teresa of Avila (Catholic church, Washington, DC) |
| STA | State Transport Authority |
| STA | SCSI Trade Association |
| STA | Shuttle Training Aircraft |
| STA | Single-Thread Apartment (computer programming) |
| STA | Secure Ticket Authority |
| STA | Station Line (engineering drawings) |
| STA | Specialist Training Authority (UK) |
| STA | Simultaneous Thermal Analysis |
| STA | Steal This Album (album by System of a Down) |
| STA | Security Threat Assessment |
| STA | Sail Training Association (UK) |
| STA | Servei de Telecomunicacions d'Andorra |
| STA | Securities Transfer Association (est. 1911) |
| STA | Society for Technology in Anesthesia |
| STA | State Tax Administration (Ukraine) |
| STA | Scheduled Time of Arrival |
| STA | Store Accumulator (6502 processor instruction) |
| STA | Structural Test Article |
| STA | School Trustees Association (New Zealand) |
| STA | Single Technology Appraisal (National Health Service; UK) |
| STA | Saint Thomas the Apostle (school) |
| STA | Stability Data (Surface Ships) |
| STA | St. Teresa's Academy (Kansas City, Missouri, USA) |
| STA | Supplier Technical Assistance |
| STA | Source Testing Association (UK) |
| STA | Stock Trader's Almanac |
| STA | Single Tank Adapter (SCUBA equipment) |
| STA | Sciences et Technologies des Aliments (French: Science and Technology of Foods) |
| STA | State Transit Authority of New South Wales (Australia) |
| STA | Statistical Token Analysis |
| STA | Shuttle Tile Ablator (NASA) |
| STA | Static Test Article |
| STA | System Threat Assessment |
| STA | Shift Technical Advisor |
| STA | Synchronous Transfer Architecture |
| STA | Singapore Tennis Association |
| STA | System Technology Associates, Inc |
| STA | Société de Transmissions Automatiques (French: Society of Automatic Transmissions) |
| STA | Safety Task Assignment |
| STA | Society for Treatment of Autism |
| STA | Star Tracker Assembly |
| STA | Sunday Trading Act (UK) |
| STA | Supplier Technical Assistant |
| STA | Science and Technology Associates, Inc (Arlington, Virginia) |
| STA | Soccer Trainers of America, LLC |
| STA | Spouse Tax Adjustment |
| STA | Siberian Tiger Alliance (gaming, Cybernations Alliance) |
| STA | Science and Technology Area |
| STA | Serum Thrombotic Accelerator |
| STA | Société de Transport par Autocars (French: Bus Transportation Company |
| STA | Special Travel Agency |
| STA | Secondary Training Audience (NATOs Bi-CS EPG) |
| STA | Statutory Term Analysis |
| STA | Société des Technologies d'Analyses (French: Technologies Analysis Company) |
| STA | Special Tariff Authority |
| STA | S-band Test Antenna |
| STA | Sparing To Availability |
| STA | Soudage Technique d'Auvergne (French: Welding Technique of Auvergne; Auvergne, France) |
| STA | Surface- and Timed-Averaged |
| STA | Submarine Trial Area |
| STA | Student Training Advisor |
| STA | Subterminal Address |
| STA | Steel Carrier Tariff Association, Inc. |
| STA | Secondary Training Activities |
| STA | Subspace Tranceiver Assembly (Star Trek) |
| STA | Senior Technical Agent |
| STA | Strategic Transportation Analysis |
| STA | Survivability & Target Acquisition |
| STA | Staff Training Assistant |
| STA | Status Test Article |
| STA | Synthetic Training Aid(s) |
| STA | Segmental Time-Alignment (audio synchronization) |
| STA | Société Toulousaine d'Agencement (French interior decorating company) |
| STA | Supplier to Advise |
| STA | Sitka Tribe of Alaska |
| STA | Samoa Tourism Authority |
| STA | Security Test Automation |
| STA | Short Term Assignment (various organizations) |
| STA | Students Take Action |
| STA | Speedy Trial Act |
| STA | Soft Tissue Augmentation (cosmetic procedure) |
| STA | Schneider Trading Associates (UK) |