LSSP
| Acronym | Definition |
|---|---|
| LSSP | Lanka Sama Samaja Party (Sri Lanka) |
| LSSP | Life-Cycle Signature Support Plan (US DoD) |
| LSSP | Launch Site Support Plan |
| LSSP | Launch Site Safety Plan |
| LSSP | Licenced Specialist in School Psychology (National Association of School Psychologists) |
| LSSP | List of Social Situation Problems (psychometric testing) |
| LSSP | Learning Skills Support Program (Mississippi State University) |