| Acronym | Definition |
|---|
| SECN➣Southeast Coast Network (US NPS) |
| SECN➣Societe d'Edification de Constructions Nouvelles (French construction news) |
| SECN➣Small Enterprise-Campus Network (software) |
| SECN➣Spindle and Epithelioid Cell Nevus (dermatology) |
| SECN➣Survivable Emergency Conferencing Network |
| SECN➣South East Cardiac Network (UK) |