SAEI
| Acronym | Definition |
|---|---|
| SAEI | Saudia Aerospace Engineering Industries (Saudia Arabia) |
| SAEI | Summer Academic Enrichment Institute (Michigan) |
| SAEI | Situational Awareness Enhancement Initiative (US National Guard) |
| SAEI | Sumitomo Atomic Energy Industries (Japan) |
| SAEI | Southwest Australia Ecoregion Initiative |