| LRN | Long-Range Navigation | 远程导航 |
| LRN | Limited Recourse Note | 有限追索权票据 |
| LRN | Local Roaming Number | 本地漫游号码 |
| LRN | Learning Resource iNterchange (Microsoft) | 学习资源iNterchange（Microsoft） |
| LRN | Lead Round Nose (round, lead bullet with no outer jacket) | 铅圆头（圆形，铅子弹，无外护套） |
| LRN | Laboratory Response Network | 实验室响应网络 |
| LRN | Lay Reference Number | 布雷基准数 |
| LRN | Local Range Network | 本地范围网络 |
| LRN | Learn | 学 |
| LRN | Lateral Reticular Nucleus | 外侧网状核 |
| LRN | Long Range Navigation | 远程导航 |
| LRN | Location Routing Number | 位置路线编号 |
| LRN | Local Reference Number | 本地参考号 |
| LRN | Local Routing Number | 本地路由号码 |
| LRN | Little Rock National Airport | 小石城国家机场 |
| LRN | Long Range Navigation (also seen as LRNAV) | 远程导航（也称为LRNAV） |
| LRN | Legal Reform Now | 现在的法律改革 |