| LCU | Landing Craft, Utility | 通用登陆艇([美]USN) |
| LCU | Logical Control Unit | 逻辑控制器 |
| LCU | Lowest Compilable Unit | 最低可组装单元 |
| LCU | London Correspondents Unit | 伦敦通讯员组 |
| LCU | Laptop Computer Unit | 笔记本电脑单元 |
| LCU | length of the cervix uteri | 子宫颈长度 |
| LCU | Landing Craft Utility | 登陆艇公用设施 |
| LCU | Life Changing Unit | 生命改变单元 |
| LCU | Lansing Credit Union | 兰辛信用合作社 |
| LCU | Local Currency Unit | 当地货币单位 |
| LCU | Least Competent User (application usability testing) | 最不称职的用户（应用程序可用性测试） |
| LCU | Logic Control Unit | 逻辑控制单元 |
| LCU | LAN CID Utility (IBM) | LAN CID实用程序（IBM） |
| LCU | Liquid Cooling Unit | 液体冷却装置 |
| LCU | LAN Capacity Upgrade | LAN容量升级 |
| LCU | Launcher Control Unit | 发射器控制单元 |
| LCU | Lightweight Computer Unit | 轻型计算机单元 |
| LCU | Large Close-Up | 大型特写镜头 |
| LCU | Library Control Unit | 图书馆控制单元 |
| LCU | Local Control Unit | 本地控制单元 |
| LCU | Life Cycle Upgrade | 生命周期升级 |
| LCU | Line Control Unit | 线路控制单元 |
| LCU | Line Coupling Unit | 线路耦合单元 |
| LCU | Last Cluster Used | 上次使用的群集 |
| LCU | Lubbock Christian University (formerly Lubbock Christian College; Lubbock, TX, USA) | 卢博克基督教大学（前身为卢博克基督学院；美国德克萨斯州卢博克） |
| LCU | Landscape Character Units | 横向字符单位 |
| LCU | Launch Correlation Unit | 发射相关单元 |