SIEA
| Acronym | Definition |
|---|---|
| SIEA | Sony Interactive Entertainment America (various locations) |
| SIEA | Superficial Inferior Epigastric Artery |
| SIEA | Swiss Interactive Entertainment Association (video game manufacturers' organization) |
| SIEA | Solomon Islands Electricity Authority |
| SIEA | San Isabel Electric Association (Pueblo West, CO) |
| SIEA | Saskatchewan Industrial Education Association (Canada) |
| SIEA | Soluble Immature Egg Antigen |