| LCU | Lan Configuration Utility 
| Others |
| LCU | Landing Craft Utility
| Others |
| LCU | Landing Craft, Utility
| Others |
| LCU | Lane Change Urgency
| Others |
| LCU | Lane Control Unit
| Others |
| LCU | Lansing Credit Union
| Others |
| LCU | Last Cluster Used
| Others |
| LCU | Launch Correlation Unit
| Others |
| LCU | Ldap Configuration Utility
| Others |
| LCU | Lead City University, Ibadan
| Others |
| LCU | League Client Update
| Others |
| LCU | Lee County Utilities
| Others |
| LCU | Lego City Undercover
| Others |
| LCU | Leominster Credit Union
| Others |
| LCU | Licensing and Certification Unit
| Others |
| LCU | Licensing and Configuration Utility
| Others |
| LCU | Life Changing Unit
| Others |
| LCU | Life Christian University
| Others |
| LCU | Light Control Unit
| Others |
| LCU | Lightweight Computer Unit
| Others |
| LCU | Lincoln Christian University
| Others |
| LCU | Line Coupling Unit
| Others |
| LCU | Liquid Calibration Unit
| Others |
| LCU | Liquid Cooling Unit
| Others |
| LCU | Local Care Unit
| Others |
| LCU | Local Control Unit
| Others |
| LCU | Local Currency Unit
| Others |
| LCU | Local Currency Units
| Others |
| LCU | Locomotive Control Unit
| Others |
| LCU | Logical Control Unit
| Others |
| LCU | Lubbock Christian
| Others |
| LCU | Lubbock Christian University
| Others |
| LCU | Lubbock Christian University's
| Others |