| RAL | Rutherford Appleton Laboratory, UK | 英国卢瑟福阿普尔顿实验室 |
| RAL | Ranap Adaptation Layer | Ranap适配层 |
| RAL | RDF ALgebra | RDF ALgebra公司 |
| RAL | Riverside Municipal Airport, Riverside, California USA | 美国加利福尼亚州河滨市河滨市机场 |
| RAL | Rydex Asset Level | Rydex资产水平 |
| RAL | Random Access Linkage | 随机访问链接 |
| RAL | Richmond Animal League, Richmond, VA | 里士满动物联盟，弗吉尼亚州里士满 |
| RAL | Robert A. Leskove, K8DTS | Robert A.Leskove，K8DTS |
| RAL | Rapid Anticipation Loan | 快速预期贷款 |
| RAL | Rutherford Appleton Laboratory | 卢瑟福-阿普尔顿实验室 |
| RAL | Reichsausschuss fÜr Lieferbedingungen und GÜtesicherung (German: Commission for Delivery Terms and Quality Ass | Reichsausschuss fÜr Lieferbedingungen und GÜtesicherung (German: Commission for Delivery Terms and Quality Ass |
| RAL | Real-Time Action Logic | 实时动作逻辑 |
| RAL | Radio Astronomy Laboratory | 射电天文学实验室 |
| RAL | Refund Anticipation Loan | 偿还预期贷款 |
| RAL | Research Analytical Laboratory | 研究分析实验室 |
| RAL | Rolling About Laughing | 笑得前仰后合 |
| RAL | Required Average Life | 所需平均寿命 |
| RAL | Registry Abstraction Layer | 注册表抽象层 |
| RAL | Ringer Approximated Loading | Ringer近似加载 |
| RAL | Richmond Animal League | 里士满动物联盟 |
| RAL | Rabbi Aharon Lichtenstein (Orthodox Rabbi) | Aharon Lichtenstein拉比（东正教拉比） |
| RAL | Regardless of Altitude | 无论海拔高度 |
| RAL | Recommended Allowable Limit | 建议允许限值 |
| RAL | resorcylic acid lactone | 间苯二酚内酯 |
| RAL | Registered Asset List | 注册资产列表 |
| RAL | Regionaal Archief Leiden (Netherlands) | 莱顿地区档案馆（荷兰） |
| RAL | Restricted Access Location | 受限访问位置 |
| RAL | Rutherford Appleton Library | 卢瑟福-阿普尔顿图书馆 |
| RAL | Remote Area Landing | 远程区域着陆 |