STL

STL may refer to:

Communications

• Standard telegraph level
• Studio/transmitter link
• Small transmitting loop antenna (a.k.a. magnetic loop)

Geography

• St. Louis, Missouri, USA

International law

• Special Tribunal for Lebanon

Music

• Stella Mwangi, a Norwegian-Kenyan singer also known as STL

Software

• Standard Template Library (for C++)
• State logic, a PLC programming language
• .stl, a file format for subtitles
• STL (file format), a file format used to represent 3D CAD models in stereolithography and other solid freeform fabrication technologies
• Statement List, programming language for Siemens SIMATIC S7

Sports

• St. Louis Cardinals baseball franchise
• St. Louis Rams football franchise in the NFL
• St. Louis Blues, a hockey franchise in the NHL

Transportation

• Lambert–St. Louis International Airport (IATA airport code: STL)
• Société de transport de Laval, public transit in Laval, QC Canada
• Société de transport de Lévis, public transit in Lévis QC Canada
• Réseau de transport de Longueuil, sometimes erroneously called the Societe de transport de Longueuil, or STL

Other uses

• Council for Religious and Life Stance Communities (Samarbeidsrådet for tros- og livssynssamfunn) of Norway
• Send the Light
• Slime Time Live, television series that aired on Nickelodeon from 2000 to 2003
• Standard Telecommunication Laboratories, a research institution famous for developing optical fibre in the 1960s
• Licentiate of Sacred Theology