| Acronym | Definition |
|---|
| NCSSA➣Nature Conservation Society of South Australia |
| NCSSA➣National Cartographic Standards for Spatial Accuracy (US FGDC) |
| NCSSA➣North Carolina Self Storage Association (Morrisville, NC) |
| NCSSA➣North Carolina Social Services Association (est. 1965) |
| NCSSA➣Northern California Senior Softball Association |
| NCSSA➣National C-Scow Sailing Association (Pewaukee, WI) |
| NCSSA➣National Council of State Sociological Associations (Michigan) |