| Acronym | Definition |
|---|
| NASEC➣National Apprenticeship Scheme for Engineering Construction (UK) |
| NASEC➣New American Standard Exhaustive Concordance (religious reference) |
| NASEC➣National Applied Software Engineering Center |
| NASEC➣National Association of Student Enterprise Clubs (UK) |
| NASEC➣North American Syringe Exchange Conference |