| Acronym | Definition |
|---|
| CSEL | Cable Select (IDE hard drive jumper setting) |
| CSEL | Clock Select |
| CSEL | Cable Select |
| CSEL | Corpus Scriptorum Ecclesiasticorum Latinorum (Corpus of the Latin Church Fathers) |
| CSEL | Combat Survivor Evader Locator |
| CSEL | Control Systems Engineering Laboratory (Arizona State University) |
| CSEL | Circuit Switch Select Line (US DoD) |
| CSEL | Command Senior Enlisted Leader |
| CSEL | Consolidated Support Equipment List |
| CSEL | Combat System Equipment List |
| CSEL | Communication System Evaluation Laboratory |
| CSEL | Course Select (aviation) |