| Abbreviation | Definition |
|---|---|
| NCHL | North Central Hockey League |
| NCHL | North Coast Hockey League |
| NCHL | Northern Collegiate Hockey League |
| NDA | Neutral Discipline Arbitrator |
| NEH | Northeast Elite Hockey |
| NEHL | North Eastern Hockey League |
| NHA | National Hockey Association |
| NHCD | National Hockey Card Day |
| NHCL | National Hockey Champions League |
| NHDA | Northland Hockey Development Academy |
| NHL | National Hockey League |
| NHL | National Hockey Leauge |
| NHL | New Hockey Lamination |
| NHL | No Hockey League |
| NHL | Notekeu Hockey League |
| NHLPA | National Hockey League Players Association |
| NHT | National Hockey Training |
| NICS | Northern Ireland Civil Service |
| NIHA | Newark Ice Hockey Association |
| NIHC | Newcastle Internation Hockey Centre |