| Acronym | Definition |
|---|
| STL➣Steel |
| STL➣Stereolithography |
| STL➣Standard Template Library |
| STL➣Sooner Than Later |
| STL➣Special Tribunal for Lebanon |
| STL➣Soil Testing Laboratory (various organizations) |
| STL➣Small Town Lottery (Philippines) |
| STL➣Space Technology Laboratory |
| STL➣Stockage List |
| STL➣Software Technologies Ltd. (Kenya) |
| STL➣Slower Than Light (science fiction) |
| STL➣Store Team Leader (Target stores employee title) |
| STL➣String Too Long (computer programming) |
| STL➣Short-Term Liquidity |
| STL➣Stickler Syndrome |
| STL➣State Trust Land (various locations) |
| STL➣Sound Transmission Loss |
| STL➣Studio Transmitter Link |
| STL➣Subtitle File |
| STL➣Software Testing Laboratory |
| STL➣Sgi Transistor Logic |
| STL➣Store Low |
| STL➣Store Longword |
| STL➣Style Library |
| STL➣Strike Team Leader |
| STL➣Standards for Technological Literacy (International Technology Education Association) |
| STL➣Submerged Turret Loading |
| STL➣Speed The Light (youth ministries) |
| STL➣School of Teaching and Learning |
| STL➣Sojourner Truth Library (New York) |
| STL➣Studio-Transmitter Link |
| STL➣Short-Term Loan |
| STL➣Simple Template Language (computing) |
| STL➣System Test Laboratory |
| STL➣Silverline Technologies, Ltd. (est. 1992; India) |
| STL➣Software Technology Laboratory |
| STL➣Sand Trap Louver (air conditioning) |
| STL➣Software Technologies Laboratory |
| STL➣Savoirs, Textes, Langage (French: Knowledge, Language, Texts) |
| STL➣Senior Team Leader |
| STL➣Stredni Tlak (Czech: Medium Pressure) |
| STL➣Singapore Telecommunications Ltd. |
| STL➣Licentiate of Sacred Theology |
| STL➣Science and Technology Laboratory |
| STL➣Standard Tessellation Language (stereolithography) |
| STL➣Special Technologies Laboratory |
| STL➣Severn Trent Laboratories Ltd (UK) |
| STL➣Software Tool Library |
| STL➣Schottky Transistor Logic |
| STL➣Science and Technology Library |
| STL➣Standard Telegraph Level |
| STL➣Science et Technologie du Logiciel (French: Science and Technology Software; training program; various organizations) |
| STL➣Slime Time Live (Nickelodeon) |
| STL➣Simulation and Test Language |
| STL➣Societe des Transports de Laval (French: Laval Transit Corporation; Canada) |
| STL➣Scientific Testing Laboratories, Inc |
| STL➣Solaris Threading Library (Sun Microsystems API) |
| STL➣Sea Train Lines, Inc. |
| STL➣Sterlite Telelink Ltd (India) |
| STL➣System Threat Library |
| STL➣Single-Tree Language (computer theory) |
| STL➣Sales, Trading & Logistics |
| STL➣Slouching Toward Liverpool |
| STL➣Starving-Time Limitation |
| STL➣Static Test Load |
| STL➣St Louis, MO, USA - Lambert-St Louis International (Airport Code) |
| STL➣Standard Transmission Line Model |
| STL➣Structured Template Language (C++) |
| STL➣Second-Trimester Loss (obstetrics) |
| STL➣Standard Training List |
| STL➣St. Leonard's College (Brighton East, Australia) |