| RTL | Research and Technology Laboratories | 研究与技术实验室[美] |
| RTL | Register Transfer Level | 暫存器轉換層 |
| RTL | Resistor Transistor Logic | 晶体管逻辑 |
| RTL | Real Time Logic | 实时逻辑 |
| RTL | Run Time Library | 运行时库 |
| RTL | Retail (hardware or software release in its final version, as opposed to beta) | 零售（最终版本的硬件或软件版本，而不是测试版） |
| RTL | Register Transfer Language | 寄存器传输语言 |
| RTL | Rolling Target List | 滚动目标列表 |
| RTL | RÉseau de Transport de Longueuil | RÉseau de Transport de Longueuil |
| RTL | Ride the Lobster (unicycling race) | 骑龙虾（单骑自行车比赛） |
| RTL | Refrigerated Transmission Line | 冷冻输电线路 |
| RTL | Radial Transmission Line | 径向传输线 |
| RTL | Register Transfer Logic (semiconductors) | 寄存器传输逻辑（半导体） |
| RTL | Rate Tracking Loop | 速率跟踪回路 |
| RTL | Reinforced Tile Lintel | 加固瓷砖过梁 |
| RTL | Regeneration Thermo-Luminescence | 再生热发光 |
| RTL | Radiating Transmission Line | 辐射传输线 |
| RTL | Research & Technology Laboratories (AVRADCOM) | 实验室研究及技术(AVRADCOM) |
| RTL | Register Transfer LAN | 注册传输LAN |
| RTL | HP Raster Transfer Language - Bitmap graphics | HP光栅传输语言-位图图形 |
| RTL | Run- Time library ( Norton Utilities) | 运行时库（Norton Utilities） |
| RTL | Radio TÉlÉvision Luxembourg | Radio TÉlÉvision Luxembourg |
| RTL | Real Total Loser | 实际总损失 |
| RTL | Responsible Task Leader | 负责任务负责人 |
| RTL | recruited t lymphocyte | 招募的t淋巴细胞 |
| RTL | Resource Tie Line | 资源连接线 |
| RTL | Real Time Linux | 实时Linux |
| RTL | Register Transfer List | 寄存器传输列表 |
| RTL | Radio Television Luxembourg | 卢森堡广播电视台 |
| RTL | Ride The Lightning (Metallica) | 乘坐闪电（Metallica） |
| RTL | Restricted Target List | 受限目标列表 |
| RTL | Radio TÉlÉvision Luxembourg (Luxembourg Television and Radio) | Radio TÉlÉvision Luxembourg (Luxembourg Television and Radio) |
| RTL | Radiative Transfer Laboratory | 辐射传输实验室 |
| RTL | Right To Life (political party, NY) | 生命权（纽约州政党） |
| RTL | Recovery Technical Limit | 回收技术限制 |
| RTL | Register Transfer Level (VHDL) | 寄存器传输级别（VHDL） |
| RTL | Regimental Training Line | 团训练线 |
| RTL | Reduced Tillage Linkages | 减少耕作联系 |
| RTL | Radio Team Leader | 无线电小组组长 |
| RTL | radiothermoluminescence | 放射热发光 |
| RTL | Radio Telex Letter | 无线电电传信 |
| RTL | Ready To Learn (PBS) | 准备学习（PBS） |
| RTL | right thyroid lobectomy | 右甲状腺叶切除术 |