| LSSD | Literary Society of San Diego | 圣地亚哥文学协会 |
| LSSD | Level Sensitive Scan Design | 电平敏感扫描设计 |
| LSSD | Lebanon Special School District (Tennessee) | 黎巴嫩特殊学区（田纳西州） |
| LSSD | Lunar Surface Sampling Device | 月球表面采样装置 |
| LSSD | Lake Superior Ski Division | 苏必利尔湖滑雪区 |
| LSSD | Level-Sensitive Scan Design | 水平敏感扫描设计 |
| LSSD | Lee's Summit School District | 李的峰会校区 |
| LSSD | Leadership Skills and Style Development | 领导技能和风格发展 |
| LSSD | Lake Stevens School District | 史蒂文斯湖学区 |