| SFL | Society of Federal Linguists | 联邦语言学家协会 |
| SFL | Skarred For Life | 终身监禁 |
| SFL | Ventura Publisher PCL 4 bitmap font - landscape | Ventura Publisher PCL 4位图字体-横向 |
| SFL | Ski for Light | 轻型滑雪板 |
| SFL | Sergeant For Life | 终身警长 |
| SFL | Stunt For Life | 终身特技 |
| SFL | Suburban Friendship League | 郊区友谊联盟 |
| SFL | Space Flight Laboratory | 太空飞行实验室 |
| SFL | Single Folded Letter (philately) | 单折字母（集邮） |
| SFL | Systemic-Functional Linguistics | 系统功能语言学 |
| SFL | Safe Fill Level (vessel design, vapor space) | 安全填充液位（容器设计、蒸汽空间） |
| SFL | Solid Film Lubricant | 固体膜润滑剂 |
| SFL | Structural Floor Level | 结构楼面标高 |
| SFL | Soldier Focused Logistics | 以士兵为中心的后勤 |
| SFL | Size Float Level | 大小浮动级别 |
| SFL | Sectorized Fill Layout | 扇形填充布局 |
| SFL | Sequenced Flashing Lights | 顺序闪光灯 |
| SFL | Screen For Life (CDC cancer screening) | 终身筛查（CDC癌症筛查） |
| SFL | Steel Flying Lead (Oil & Gas) | 铅钢飞行(石油和天然气) |
| SFL | Single-Face Laminate | 单面层压板 |
| SFL | Saskatchewan Federation of Labour (Canada) | 萨斯喀彻温省劳工联合会（加拿大） |
| SFL | State Farm Life Insurance Company (Bloomington, Illinois) | 州立农场人寿保险公司（伊利诺伊州布卢明顿） |
| SFL | South Florida | 南佛罗里达州 |
| SFL | stroma feeder layer | 基质饲养层 |
| SFL | S/MIME Freeware Library | S / MIME免费图书馆 |
| SFL | Sludge Free Life | 无污泥寿命 |
| SFL | Sao Filipe, Cape Verde Islands | 佛得角群岛圣菲利佩 |