BSEI
| Acronym | Definition |
|---|---|
| BSEI | Bahrain Stock Exchange Index |
| BSEI | Bureau de la Sécurité des Équipements Industriels (French: Safety Office of Industrial Equipment) |
| BSEI | Big Sur Environmental Institute (California) |
| BSEI | Beam Steering Electrical Interface |
| BSEI | Berkeley Summer Engineering Institute (University of California, Berkeley; Berkeley, CA) |