| Acronym | Definition |
|---|
| SFL | South Florida (various organizations) |
| SFL | Sekmadienio Futbolo Lyga (Lithuanian: Sunday Football League) |
| SFL | Students for Liberty (est. 2007) |
| SFL | Soldier for Life (US Army) |
| SFL | Skills for Life |
| SFL | Smime Freeware Library |
| SFL | Standard Function Library |
| SFL | State Fishing Lake (various locations) |
| SFL | Second Foreign Language |
| SFL | Systemic-Functional Linguistics |
| SFL | Saskatchewan Federation of Labour (Canada) |
| SFL | Single-Family Low (zoning) |
| SFL | Sucker for Love |
| SFL | Single File Line |
| SFL | Société Foncière Lyonnaise (French: Lyonnaise Property Company; Lyon, France) |
| SFL | Shelter for Life (Maple Grove, IL) |
| SFL | Schools Fantasy League |
| SFL | Stoner for Life |
| SFL | Solid Film Lubricant |
| SFL | Sequenced Flashing Lights |
| SFL | Surgery Fort Lauderdale (Florida) |
| SFL | Screen For Life (CDC cancer screening) |
| SFL | Société Française du Livre (French: French Book Society) |
| SFL | Simulated Forced Landing (aviation) |
| SFL | Structures Formelles du Langage (French: Formal Structure of Language) |
| SFL | Soldier Focused Logistics |
| SFL | Société Française de Luth (French: French Lute Society) |
| SFL | Society of Federal Linguists |
| SFL | Statistiques et Finances Locales (French: Statistics and Local Finance; economics forum) |
| SFL | Sciences de La Fabrication et Logistique (French: Science of Manufacturing and Logistics; educational engineering program) |
| SFL | Structural Floor Level |
| SFL | Stingray Foundation Library (software) |
| SFL | Steel Flying Lead (Oil & Gas) |
| SFL | Single-Face Laminate |
| SFL | Safe Fill Level (vessel design, vapor space) |
| SFL | State Farm Life Insurance Company (Bloomington, Illinois) |
| SFL | Santé France-Laos (French: Health France-Laos) |
| SFL | Sectorized Fill Layout |
| SFL | Sandford Freight Ltd. (Ireland) |
| SFL | Single Folded Letter (philately) |
| SFL | Size Float Level |
| SFL | Secondary Freon Loop |