'''SLR''' may refer to: {{TOC right}}
== Science and technology == * Satellite laser ranging, a method to measure the distance to satellites * Scalable Linear Recording tape drive backup * Scanline rendering * Sea level rise * Self-loading rifle or semi-automatic rifle ** The UK L1A1 SLR rifle * Semi-linear resolution, a search algorithm * Sending loudness rating for microphones * Service List Registry, of audiovisual services * Simple linear regression, a method of statistical modeling * Simple LR parser (simple left-to-right parser), a method of syntax analysis * Single-lens reflex camera ** See also: Digital single-lens reflex camera (digital SLR or DSLR) * SLR (company), a virtual reality company * Systematic literature review (see also Systematic review), a type of academic text
== Transport == * Holden Torana SLR5000 car * Mercedes-Benz 300 SLR * Mercedes-Benz SLR McLaren * Shimano Linear Response, a bicycle component * Sri Lanka Railways * St. Lawrence and Atlantic Railroad reporting mark
== Other uses == * Sébastien Loeb Racing, a French racing team * ''Stanford Law Review'' * Statutory liquidity ratio * Salar language, ISO 639-3 code: slr
{{Disambiguation}}