| Acronym | Definition |
|---|
| LSP | Label Switched Path |
| LSP | Local Strategic Partnership |
| LSP | Link State Protocol |
| LSP | Layered Service Provider |
| LSP | Link State Packet (Novell) |
| LSP | Louisiana State Police |
| LSP | Local Service Provider (Telephony) |
| LSP | Liskov Substitution Principle |
| LSP | Link State PDU (SIF) |
| LSP | Logistics Service Provider |
| LSP | Language for Special Purposes (terminology) |
| LSP | Lightest Supersymmetric Particle |
| LSP | Licensed Site Professional |
| LSP | Language Service Provider |
| LSP | Lodging Success Program (US Army) |
| LSP | Little Sisters of the Poor (religious order) |
| LSP | Language for Specific Purposes (Conference) |
| LSP | Linux Support Package |
| LSP | Laminar Soot Processes |
| LSP | Leitsätze für die Preisermittlung |
| LSP | Socialist Liberal Party (Egypt) |
| LSP | Large Scale Pilot |
| LSP | Land-Surface Parameterization |
| LSP | Logistics Support Plan |
| LSP | Less Sensitive Person |
| LSP | Las Piedras, Venezuela - Josefa Camejo (Airport Code) |
| LSP | LAN Support Program (IBM) |
| LSP | Latvijas Socialistiska Partija (Latvian Socialist Party) |
| LSP | Location Service Provider |
| LSP | Last Summer Productions |
| LSP | Light Speed Pascal |
| LSP | Limestone Powder (concrete) |
| LSP | Linear Spectral Pair (signal processing) |
| LSP | Last Seen Point (search & rescue) |
| LSP | List Service Provider |
| LSP | Launch Sequence Plan |
| LSP | Laboratory Support Processor |
| LSP | Laser Shock Peening/Processing |
| LSP | Laboratory Standards Project |
| LSP | Literature Sponsorship Program |
| LSP | Lube & Scavenge Pump |
| LSP | Laboratory Suggestion Program |
| LSP | Lookback Scenario Pattern |
| LSP | Link Stress Penalty |
| LSP | Light Stopping Particle |
| LSP | Low Shutdown Setpoint |
| LSP | Leadership Systems Program (Sprint) |
| LSP | Low Speed Protection (Tadiran) |
| LSP | Low Stock Point |
| LSP | Life Support Pallet |
| LSP | Linearly-Scaled Permutations |
| LSP | Layout Specific Package |