| LPSP | Laboratory of Personality and Social Psychology
| Others |
| LPSP | Land Privatization Support Project (Moldova; USAID)
| Others |
| LPSP | Language Power and Social Process
| Others |
| LPSP | Le Platinum Style Productions
| Others |
| LPSP | Lega Per Salvini Premier
| Others |
| LPSP | Limited Privilege Suicide Prevention
| Others |
| LPSP | Livelihoods and Protection Support Project
| Others |
| LPSP | Livelihoods Protection Support Project
| Others |
| LPSP | Location Product Substitution Procedure
| Others |
| LPSP | Loss of Power Supply Probability
| Others |
| LPSP | Lums Pond State Park
| Others |