| Acronym | Definition |
|---|
| RCSN➣Resources for Children with Special Needs (New York, NY) |
| RCSN➣Registry of the Canadian Stroke Network |
| RCSN➣Red Cross Society of Niger (est. 1963) |
| RCSN➣Reference Climate Station Network (weather) |
| RCSN➣Rural Church Support Network (UK) |