| Abbreviation | Definition |
|---|---|
| LSD | Labrinth, Sia and Diplo |
| LSD | Lead Singer's Disease |
| LSD | Lucy in the Sky with Diamonds |
| LSD | Lucy Scale Developments |
| LSKOL | Long Slow Kiss on the Lips (band, and chat lingo) |
| LSMD | Leinster School of Music and Drama |
| LSMF | Loudoun Summer Music Fest |
| LSMS | Layne Staley, Mike Starr |
| LSMT | London School of Musical Theatre |
| LSO | Lansing Symphony Orchestra |
| LSO | Life Sciences Orchestra |
| LSO | Livingston Symphony Orchestra |
| LSO | London Symphony Orchestra |
| LSO | London Symphony Orchestra's |
| LSO | Londontowne Symphony Orchestra |
| LSO | Longwood Symphony Orchestra |
| LSO | Lubbock Symphony Orchestra |
| LSRE | London Steve Reich Ensemble |
| LSS | Last Song Syndrome |
| LSS | Last Strummed Syndrome |