| Acronym | Sense | Language | Topics |
|---|---|---|---|
| TEF | Transfert Électronique de Fonds | In French | → Finance |
| TEF | Traktaten om Det Europæiske Fælleskab | In Danish | → European Union |
| TEF | Tranche en Fonctionnement | In French | → Nuclear technology |
| TEF | Tuluzaj Esperantistaj Fervojistoj | In Esperanto | → Organizations and associations → Transport and postal services → Artificial languages (linguistics) → France |
| TEF | Time-Energy-Frequency | In English | → Acoustical engineering |
| TEF | Test d'Evaluation de Français | In French | → Education → Linguistics |