| Acronym | Definition |
|---|
| LSN | Learning and Skills Network (UK) |
| LSN | Landmine Survivors Network |
| LSN | LASIK (Laser-Assisted In-Situ Keratomileusis) Surgery News |
| LSN | Log Sequence Number |
| LSN | Logical Session Number |
| LSN | Limestone Networks, Inc. (Dallas, TX) |
| LSN | Lafayette Sports Network |
| LSN | Life Site News (publication; various locations) |
| LSN | Large Scale Networking |
| LSN | Large Scale NAT (Network Address Translation) |
| LSN | Law Society of Namibia |
| LSN | Least Significant Nibble |
| LSN | Laser Squad Nemesis (gaming) |
| LSN | Legal Services Network (American Association of Retired Persons) |
| LSN | Local Stock Number |
| LSN | Longhorn Sports Network (University of Texas) |
| LSN | Logical Sector Numbers |
| LSN | Leukosialin |
| LSN | Living Arrangements and Social Networks |
| LSN | LIFELines Services Network (US Navy) |
| LSN | Layered Silicate Nanocomposite |
| LSN | Local Service Node |
| LSN | Lifestyle Networks |
| LSN | Local Salty Nation |
| LSN | Leverage Sourcing Network (EDS) |
| LSN | Linear Smoothed Newton (predictive filter) |
| LSN | Language Society of Namibia |
| LSN | Lymphedema Support Network (UK) |