| LSRA | Lakeland Sports And Recreation Association | 莱克兰体育和娱乐协会 |
| LSRA | Loose Stimulus Response Association | 宽松刺激反应协会 |
| LSRA | Lymphoma Support And Research Association | 淋巴瘤支持与研究协会 |
| LSRA | Lake Simcoe Regional Airport | 西姆科湖地区机场 |
| LSRA | Least-Squares Regression Analysis | 最小二乘回归分析 |
| LSRA | Landing Systems Research Aircraft | 着陆系统研究飞机 |
| LSRA | low septal right atrium | 下隔右心房 |