| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ENAC | Energetic Neutral Atom Camera | In English | |
| ENaC | Epithelial Na+ Channel | In English | → Cytology |
| ENAC | École Nationale de l'Aviation Civile | In French | → Specialized or polytechnical colleges → Astronautics |
| ENAC | École Nationale des Arts Culinaires | In French | → Specialized or polytechnical colleges → 641 |
| ENAC | Ente Nazionale per l'Aviazione Civile | In Italian | → Aeronautics, aircraft → Transport and postal services |
| ENAC | Environnement Naturel Architectural et Construit | In French | → 5023 → Regional planning → Environmental technology, water supply, waste management |