| Acronym | Definition |
|---|
| NCSO | Nassau County Sheriffs Office (Florida) |
| NCSO | National Census and Statistics Office |
| NCSO | North Carolina Science Olympiad |
| NCSO | Naval Control of Shipping Officer |
| NCSO | Naval Control of Shipping Organization |
| NCSO | Nonprofit Community Service Organization |
| NCSO | No Cheaper Stock Obtainable |
| NCSO | National Construction Safety Officer (Canada) |
| NCSO | Niagara County Sheriff's Office (New York) |
| NCSO | Net Control Station Operator |
| NCSO | NERC (North American Electric Reliability Corporation) Certified System Operator (Princeton, NJ) |
| NCSO | National Center on Service Obligations (Landover Hills, MD) |
