FNSE
| Acronym | Definition |
|---|---|
| FNSE | Fonds National de Solidarité pour l'Eau (French: National Solidarity Fund for Water) |
| FNSE | Fédération Nationale du Secourisme Étudiant (French: National Federation of Student Aid) |
| FNSE | Fast Narrow Single Ended |
| FNSE | Fellow, Nigerian Society of Engineers |
| FNSE | Fédération Nationale de Socio-Esthétique (French: National Federation of Socio-Aesthetics) |
| FNSE | Family Nursing Self-Efficacy Questionnaire (nursing) |