| 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 |