| Acronym | Definition |
|---|
| SLR | Single Lens Reflex (camera) |
| SLR | Signed Lower Right (authenticity feature) |
| SLR | Sauvons La Recherche (France) |
| SLR | Sea Level Rise |
| SLR | Statutory Liquidity Ratio |
| SLR | Solectron |
| SLR | Scalable Linear Recording |
| SLR | Source Local Reference |
| SLR | Sport Light Racing |
| SLR | Service Level Reporter |
| SLR | Single Lens Reflex |
| SLR | Satellite Laser Ranging |
| SLR | Self Loading Rifle |
| SLR | Système Léger sur Rail (French: Light Rail System; Canada) |
| SLR | Shimano Linear Response (bicycles) |
| SLR | Straight Leg Raising |
| SLR | Sorry Late Reply |
| SLR | San Lorenzo River (California) |
| SLR | Sta Lucia Realtors (Philippine Basketball Association) |
| SLR | Simple Linear Regression |
| SLR | Side Looking Radar |
| SLR | Senior Living Residence (est. 1990) |
| SLR | Service Learning Requirement (various schools) |
| SLR | Sri Lanka Rupee (national currency) |
| SLR | Southern Light Rail (Georgia Tech) |
| SLR | Sleeper Class (railway coach) |
| SLR | Systematic Literature Review (secondary study) |
| SLR | Spring Load Restriction (Minnesota) |
| SLR | Selling Loot Rights (gaming) |
| SLR | Singapore Law Reports (Singapore Academy of Law) |
| SLR | Silver Legacy Resort (Reno, NV) |
| SLR | Sri Lanka Railway |
| SLR | Square Loop Resonator (electrical engineering) |
| SLR | Supply Licence Review (UK) |
| SLR | Strange Life Records (Netherlands) |
| SLR | Service Level Report |
| SLR | Sign Language Recognition |
| SLR | Sending Loudness Rating (telecommunications) |
| SLR | Scanning Raman Lidar |
| SLR | State Liaison Representative |
| SLR | Static Loaded Radius (tire measurement) |
| SLR | Single Linear Recording |
| SLR | Slush on Runway |
| SLR | Standard Local Rate (various companies) |
| SLR | Super-Leicht, Rennsport (German: Super-Light, Racing; Mercedes Benz) |
| SLR | Single Line Restoral |
| SLR | Stock Level Report |
| SLR | Société de Linguistique Romane (French: Romance Linguistics Society) |
| SLR | Service Location Register |
| SLR | Spacelift Range |
| SLR | Suburban Land Reserve (Salt Lake City, UT) |
| SLR | Systèmes Logiciels et Réseaux (French: Software Systems and Networks) |
| SLR | Slide Raft (aircraft door) |
| SLR | Stock Level Requirement |
| SLR | System Level Requirement |
| SLR | Side Lower Berth (rail travel) |
| SLR | Split Live Range |