| Acronym | Definition |
|---|
| SLF➣Super Low Frequency (30-300 Hz; 10,000-1,000 km) |
| SLF➣Senior Living Facility |
| SLF➣Self |
| SLF➣Saalfeld (German city auto license plate) |
| SLF➣Sun Life Financial (various organizations) |
| SLF➣Statens Landbruksforvaltning (Norwegian Agricultural Authority) |
| SLF➣Superior Longitudinal Fasciculus (neurons) |
| SLF➣Sveriges Läkarförbund |
| SLF➣Samuel Lawrence Furniture (est. 1973; High Point, NC) |
| SLF➣Securities Lending and Financing |
| SLF➣Slip Line Field |
| SLF➣Shuttle Landing Facility |
| SLF➣Scottish Learning Festival (UK) |
| SLF➣Stiff Little Fingers (punk rock band) |
| SLF➣Subsystem Logging Facility |
| SLF➣Swiss Federal Institute for Snow and Avalanche Research (also seen as SFISAR) |
| SLF➣Straight Level Flight (aviation) |
| SLF➣Sustainable Living Foundation (Melbourne, Australia) |
| SLF➣Senior Living Foundation (American Foreign Service) |
| SLF➣Sounds Like Fun |
| SLF➣Southeastern Legal Foundation |
| SLF➣Sanitary Landfill |
| SLF➣Special Landing Force |
| SLF➣Special Liquidity Facility (finance) |
| SLF➣Single Latin Female |
| SLF➣Slum Level Federation (India) |
| SLF➣Student Leadership Forum (various locations) |
| SLF➣Sustainable Livelihoods Framework |
| SLF➣Singapore Labour Foundation |
| SLF➣Seattle Liberation Front |
| SLF➣Subscription Locator Function |
| SLF➣Special Lady Friend |
| SLF➣Standard Linear Format |
| SLF➣Sidama Liberation Front |
| SLF➣Self Loading Freight (aircrew slang for passengers) |
| SLF➣Seat Load Factor |
| SLF➣Seamless Flow (sinks) |
| SLF➣Satterfield Law Firm, PLC (Arkansas) |
| SLF➣Shredded Light Fraction |
| SLF➣Synthetic Living Fibre (fly fishing) |
| SLF➣Sewa Lanka Foundation |
| SLF➣Senior Level Forum |
| SLF➣Simulated League Football (Australia) |
| SLF➣Sleigh Landing Facility (during the holidays; NASA) |
| SLF➣Straight-Line Frequency |
| SLF➣Symbol List File |
| SLF➣Scalability Logger Format |
| SLF➣Sign Language Festival |
| SLF➣Safety Level Requirement |
| SLF➣Sveriges Lantmätarförening |
| SLF➣Sexual Liberation Front |
| SLF➣Satan Loves Fusion (jazz metal band) |
| SLF➣Spouse-Like Friend |
| SLF➣Special Lending Facility (US government) |
| SLF➣Saturday LAN (Local Area Network) Fever (gaming clan) |