| Acronym | Definition |
|---|
| SEAI➣Sustainable Energy Authority of Ireland (est. 2002) |
| SEAI➣Seafood Exporters Association of India (Kochi, Kerala, India) |
| SEAI➣Sovereign Exploration Associates International, Inc. |
| SEAI➣Solvent Extractors' Association of India |
| SEAI➣Meadow-Kendall Social-Emotional Assessment Inventory (deaf children) |
| SEAI➣Saskatchewan Electrologists' Association Incorporated (Canada) |
| SEAI➣Science & Engineering Associates Inc. |