The acronym SLR can refer to:

• The Mercedes-Benz SLR McLaren, a supercar.
• The Holden Torana SLR5000, an Australian automobile.
• Single-lens reflex camera
  • See also: Digital single-lens reflex camera
• Satellite laser ranging
• Scalable Linear Recording Tape Drive Backup
• Self-Loading Rifle, see semi-automatic rifle.
  • The UK version of the Belgian FN FAL select fire battle rifle, the L1A1 SLR.
• Semi-linear resolution
• Sending Loudness Rating
• Simple LR parser (Simple Left-to-right Rightmost-derivation parser)
• Sports Leicht Rennsport (Sports Light Racing), a name originally given to Mercedes-Benz 300 SLR, the 1955 sportcar racer and was recently handed down to Mercedes-Benz SLR McLaren.
• Sta. Lucia Realtors, a professional basketball team.
• Statutory Liquidity Ratio
• Straylight Run, an emo/indie band from Long Island, New York.
• Directional Radio Facilities in Poland ( example: SLR Piatkowo [1])
• Service Level Requirement

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