| 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 |