| LCOS | Lake Charles Office Supply
| Others |
| LCOS | Lead Computing Optical Sight
| Others |
| LCOS | Levelised Cost of Storage
| Others |
| LCOS | Levelized Cost of Storage
| Others |
| LCOS | Linear Combination of Order Statistics
| Others |
| LCOS | Liquid Crystal On A Silicon
| Others |
| LCOS | Liquid Crystal On Silicon
| Others |
| LCOS | Liquid Crystal On Silicone
| Others |
| LCOS | Liquid Crystal over Silicon
| Others |
| LCOS | Liquid Crystal Over Silicone
| Others |
| LCOS | Logyliquid Crystal On Silicon
| Others |
| LCOS | Low Cardiac Output Syndrome
| Others |
| LCOS | Lutheran Church of Our Savior
| Others |
| LCOS | Lutheran Church of Our Saviour
| Others |