| Acronym | Definition |
|---|
| FCNS➣Framingham Centre Nursery School (Framingham, MA) |
| FCNS➣Fellow of the Canadian Nuclear Society (est. 1993) |
| FCNS➣Family Caregivers' Network Society (est. 1989; Victoria, British Columbia, Canada) |
| FCNS➣Family, Consumer and Nutrition Sciences (academic program) |
| FCNS➣Fremont Congregational Nursery School (Fremont, CA) |
| FCNS➣Fiber Channel Network Switch |
| FCNS➣Fellow of the Child Neurology Society |