| Abbreviation | Definition |
|---|---|
| NCD | Narcotics Control Division |
| NCEC | National Chemical Emergency Centre |
| NCF | National Competency Framework |
| NCF | National Crime Faculty |
| NCFL | National Catholic Forensic League |
| NCFM | Nordic Conference on Forensic Medicine |
| NCFS | National Centre for Forensic Studies |
| NCOF | National Crime and Operations Facility |
| NCOV | No Contact Order Violation |
| NCPD | Nassau County Police Department |
| NCPD | Nassau County Police Dept |
| NCPD | Nassau County Police Derpartment |
| NCPD | National Center for Police Defense |
| NCPD | National City Police Department |
| NCPD | New Castle Police Department |
| NCPD | Night City Police Department |
| NCPD | North Charleston Police Department |
| NCPE | National Centre for Policing Excellence |
| NCPT | National Coalition of Police Troopers |
| NCS | National Crime Squad |