SEI
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| SEI | Space Exploration Initiative | - | Atmospheric Research Center |
| SEI | Secondary Electron Imaging | - | Computer Acronyms(common) |
| SEI | SuPPort EquiPment Installation | - | Organizations |
| SEI | SYstem Engineering Groundrule | - | Organizations |
| SEI | Stockholm Environment Institute | - | Satellite Meterology |