| Acronym | Sense | Language | Topics |
|---|---|---|---|
| SET | Secure Electronic Transaction | In English | → Networks, communication → Telecommunications |
| SET | Solar Energy Thermionic | In English | → Energy economics |
| SET | Système Électrique Transport | In French | → Electrical engineering |
| SET | Strijdt En Triomfeert | In Dutch | → Organizations and associations → Sport, physical exercises |