| LSN | Link Set Number | 链路组号 |
| LSN | logical sector number | 逻辑扇区号 |
| LSN | Language Society of Namibia | 纳米比亚语言协会 |
| LSN | Legal Services Network (American Association of Retired Persons) | 法律服务网（美国退休人员协会） |
| LSN | Large Scale Network | 大型网络 |
| LSN | Local Session Number | 本地会话编号 |
| LSN | Los Banos, California USA | 美国加利福尼亚州洛斯巴诺斯 |
| LSN | Low Speed Needle | 低速打捆针 |
| LSN | Leads System Network | Leads系统网络 |
| LSN | Lifelong Services Network | 终身服务网络 |
| LSN | Log Sequence Number | 日志序列号 |
| LSN | Local Service Node | 本地服务节点 |
| LSN | Leukosialin | 亮氨酸 |
| LSN | Large Scale Networking | 大规模网络 |
| LSN | Local Stock Number | 当地库存编号 |
| LSN | least significant nibble | 最低有效半字节 |
| LSN | Lifestyle Networks | 生活方式网络 |
| LSN | Logical Sector Numbers | 逻辑扇区号 |
| LSN | Living Arrangements and Social Networks | 生活安排和社交网络 |
| LSN | Learning and Skills Network (UK) | 学习和技能网络（英国） |
| LSN | Lymphedema Support Network (UK) | 淋巴水肿支持网络（英国） |
| LSN | Local Salty Nation | 当地咸民族 |
| LSN | Linear Smoothed Newton (predictive filter) | 线性平滑牛顿（预测滤波器） |
| LSN | Leverage Sourcing Network (EDS) | 利用采购网络（EDS） |
| LSN | Landmine Survivors Network | 地雷幸存者网络 |
| LSN | left symphathetic nerve | 左交感神经 |
| LSN | left sub antia nigra | 左黑质下 |