SLEP
| Acronym | Definition |
|---|---|
| SLEP | Service Life Extension Program (US) |
| SLEP | Sarnia Lambton Economic Partnership (Canada) |
| SLEP | Secondary Level English Proficiency (Educational Testing Service) |
| SLEP | Shelf Life Extension Program |
| SLEP | Service Life Enhancement Program |
| SLEP | State and Local Exercise Program (US FEMA) |
| SLEP | Stockpile Life Extension Program |
| SLEP | Shuttle Life Extension Program |
| SLEP | Ship Life Extension Program |