| RSL | Returned & Services League of Australia | 澳大利亚退役军人服务团 |
| RSL | rate sensitive liability | 利率敏感性债务 |
| RSL | registry size limit | 注册表大小限制 |
| RSL | Requirements Specification Language | 需求规范语言 |
| RSL | Reference System Lab | 参考系统实验室 |
| RSL | registry size limit (Microsoft Windows) | 注册表大小限制（Microsoft Windows） |
| RSL | Received Signal Level | 接收信号电平 |
| RSL | RoboCupRescue Simulation League | RoboCup救援模拟联盟 |
| RSL | Research Status Log | 研究状态日志 |
| RSL | Reusable Software Library | 可重用软件库 |
| RSL | Remote Sensing Laboratory | 遥感实验室 |
| RSL | Reserve Static Line | 保留静态线 |
| RSL | Rising Step Load | 上升阶跃载荷 |
| RSL | Russian State Library (Moscow, Russia) | 俄罗斯国家图书馆（俄罗斯莫斯科） |
| RSL | RAISE Specification Language | RAISE规范语言 |
| RSL | Rugby Super League | 橄榄球超级联赛 |
| RSL | Radiological Society of Louisiana | 路易斯安那州放射学会 |
| RSL | Returned Soldiers League/Legion | 返回士兵联赛/军团 |
| RSL | Registered Social Landlord | 注册社会房东 |
| RSL | Rail Safety Law | 铁路安全法 |
| RSL | Returned Servicemen's League | 军人的联赛。回到 |
| RSL | Rambus Signaling Levels | Rambus信号电平 |
| RSL | right sacro-lateral | 右骶外侧 |
| RSL | Reactive Script Language | 反应式脚本语言 |
| RSL | Retired Servicemans League | 退役军人联盟 |
| RSL | Restricted Service Licence | 限制服务牌照 |
| RSL | Roots Surname List | 根姓氏列表 |
| RSL | Restricted Service License | 受限服务许可证 |
| RSL | Request and Status Links | 请求和状态链接 |
| RSL | Ready Service Locker | 备用储物柜 |
| RSL | Returned Soldiers League | 归国士兵联盟 |
| RSL | PC Tools for Windows ReSource Library | 适用于Windows的PC工具ReSource库 |
| RSL | Retired Servicemens League | 退役军人联盟 |
| RSL | Rugby Soccer League | 橄榄球足球联赛 |
| RSL | Russell, Kansas USA | 美国堪萨斯州拉塞尔 |
| RSL | Right Subscapular Line | 右肩胛下线 |
| RSL | Restricted Service License (radio) | 受限服务许可证（无线电） |
| RSL | Remote SPRINT Launch | 远程SPRINT启动 |
| RSL | Runtime Shared Library | 运行时共享库 |
| RSL | Relative Strength Levy | 相对强度征税 |
| RSL | Robert Sean Leonard (actor) | 罗伯特·肖恩·伦纳德（演员） |
| RSL | Ready Service Locker(s) | 备用储物柜 |
| RSL | Representative Stim Latch | 代表性Stim门闩 |
| RSL | Rethinking School Lunch | 反思学校午餐 |
| RSL | Rambus Signaling Level | Rambus信号电平 |
| RSL | Requirements Statement Language | 需求陈述语言 |
| RSL | Robot Scripting Language | 机器人脚本语言 |
| RSL | Request and Status Links (telephony) | 请求和状态链接（电话） |
| RSL | Renderman Shading Language | 渲染器着色语言 |
| RSL | Roof Switch Lock Module | 车顶开关锁模块 |
| RSL | Resalab Scientific Library | Resalab科学图书馆 |
| RSL | Responsible Server List (Compaq) | 负责服务器列表（Compaq） |
| RSL | Revolutionary Socialist League (British Trotskyist Group) | 革命社会主义联盟（英国托洛茨基主义团体） |
| RSL | Relative Sea Level | 相对海平面 |