| Acronym | Definition |
|---|
| TEL | Telephone |
| TEL | Technology-Enhanced Learning |
| TEL | Telugu (langauge) |
| TEL | Telegram |
| TEL | The European Library |
| TEL | Terrorist Exclusion List |
| TEL | Tokyo Electron Limited (Tokyo, Japan) |
| TEL | Thèses En Ligne (French: Theses Online; internet archive) |
| TEL | Tennessee Electronic Library (virtual library) |
| TEL | Thurber Engineering Ltd. (Canada) |
| TEL | Telecommunication |
| TEL | Technology Enhanced Learning |
| TEL | Texture Element |
| TEL | Tetra-Ethyl Lead |
| TEL | Transporter-Erector-Launcher |
| TEL | Tolled Express Lane (transportation) |
| TEL | Teacher Education Loan (Alaska) |
| TEL | Tax and Expenditure Limitation |
| TEL | Total Employee Leasing (Pensacola, FL) |
| TEL | Test of Economic Literacy |
| TEL | Tevatron Electron Lens |
| TEL | Translocation ETS Leukemia |
| TEL | Team Deutsche Telekom (Tour de France cycling sponsor) |
| TEL | Transfert d'Energie Linéique (French: Linear Energy Transfer) |
| TEL | Terminal Equipment List |
| TEL | Talker Echo Loudness |
| TEL | Teneur en Eau Liquide (French) |
| TEL | Trailing Edge Left |
| TEL | Transportable Erector Launcher |
| TEL | Taupo Electricity Limited (New Zealand) |
| TEL | Test Equipment Listing |
| TEL | Transmission Electrical Length |
| TEL | Transportation Error Listing |
| TEL | Total Exposure Limit |