| LSN | Lafayette Sports Network 
| Others |
| LSN | Landmine Survivors Network
| Others |
| LSN | Language Society of Namibia
| Others |
| LSN | Large Scale NAT
| Others |
| LSN | Large Scale Network
| Others |
| LSN | Large Scale Networking
| Others |
| LSN | Laser Squad Nemesis
| Others |
| LSN | Last Sequence Number
| Others |
| LSN | Latino Services Network
| Others |
| LSN | Law Students Network
| Others |
| LSN | Lead System Network
| Others |
| LSN | Leads System Network
| Others |
| LSN | League Of Sovereign Nations
| Others |
| LSN | Learning and Skills Network
| Others |
| LSN | Lebanon Stabilized Nitrogen
| Others |
| LSN | Legal Scholarship Network
| Others |
| LSN | Life Science Nation
| Others |
| LSN | Life Services Network
| Others |
| LSN | Lifelong Services Network
| Others |
| LSN | Local Sales Network
| Others |
| LSN | Local Salty Nation
| Others |
| LSN | Local Security Network
| Others |
| LSN | Local Session Number
| Others |
| LSN | Log Sequence Number
| Others |
| LSN | Log Sequence Numbers
| Others |
| LSN | LogFile Sequence Number
| Others |
| LSN | Logical Session Number
| Others |
| LSN | Longitudinal Social Network
| Others |
| LSN | Los Banos, California USA
| Others |
| LSN | Low Speed Needle
| Others |
| LSN | Lowcountry Senior Network
| Others |