TEIL
| Acronym | Definition |
|---|---|
| TEIL | Teaching English as an International Language (linguistics) |
| TEIL | Triveni Engineering Industries Ltd. (Bangalore, India) |
| TEIL | Toyo Engineering India Limited |
| TEIL | Triveni Engineering Industries Limited (India) |
| TEIL | To Excel in Life (Andover, MN) |
| TEIL | Two-Electron Ionization Ladder |