SLT may refer to:
Medicine Selective laser trabeculoplasty, an eye surgery Speech and language therapy
Technology
Compaq SLT, a laptop computer line of the 1980s and 1990s Sony SLT camera, a 2010s digital camera type IBM Solid Logic Technology, a 1960s hybrid integrated circuit design Sri Lanka Telecom, a telephone company , Set Less Than, a RISC-V instruction
Transportation Harriet Alexander Field, an airfield in Colorado, US (IATA code) Mercedes-Benz SLT-Class, a car model (built 1996–2020) South Lancs Travel, an English bus operator Sprinter Lighttrain, a Dutch electric train class (built 2007–2012)
Other uses Slovenian tolar, defunct currency Situational leadership theory, of organizations Les Soulèvements de la Terre, French environmental collective Social learning theory, a psychological explanation for behaviour Specific-locus test, a mouse assay for measuring mutations from radiation or chemical treatments