| RGL | Rio Gallegos, Santa Cruz, Argentina - Rio Gallegos-Internacional (Airport Code) | Rio Gallegos，Santa Cruz，阿根廷-Rio Galegos International（机场代码） |
| RGL | Research Group Laboratories | 研究组实验室 |
| RGL | Ranjit Garments Limited | 兰吉特服装有限公司 |
| RGL | Ramalho G.711 Lossless | Ramalho G.711无损 |
| RGL | Rosary - Gold Lustre | 玫瑰色-金色光泽 |
| RGL | Regulatory Guidance Letter | 监管指导函 |
| RGL | FAA Regulatory Guidance Library | 联邦航空管理局监管指南库 |
| RGL | Ramalho G.711 Lossless Compression | Ramalho G.711无损压缩 |
| RGL | Runway Guard Light (airport lighting) | 跑道警戒灯（机场照明） |
| RGL | Rio Gallegos, SC, Argentina | Rio Gallegos，南卡罗来纳州，阿根廷 |
| RGL | Reading Grade Level | 阅读等级 |
| RGL | Regulatory and Guidance Library (FAA) | 监管和指导图书馆（FAA） |
| RGL | FAA ( Federal Aviation Administration) Regulatory Guidance Library | FAA（联邦航空管理局）监管指南库 |