SLR

SLR may refer to:

Science and technology

 * Satellite laser ranging
 * Scalable Linear Recording tape drive backup
 * 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
 * Simple LR parser (Simple Left-to-right parser)
 * Single-lens reflex camera
 * See also: Digital single-lens reflex camera (digital SLR or DSLR)
 * SLR (company), a virtual reality company
 * Service List Registry, of audiovisual services

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