| NHL | A National Homicide League 
| Others |
| NHL | National Hamburger League
| Others |
| NHL | National Historic Landmark
| Others |
| NHL | National Ho League
| Others |
| NHL | National Hockey League
| Others |
| NHL | National Hockey Leauge
| Others |
| NHL | National Holding League
| Others |
| NHL | National Hoodlum League
| Others |
| NHL | National Hottie League
| Others |
| NHL | National Hurling League
| Others |
| NHL | Natural Healthy Lifestyles
| Others |
| NHL | Natural Hydraulic Lime
| Others |
| NHL | Natural Hydraulic Limes
| Others |
| NHL | Nearly Handicapped League
| Others |
| NHL | Neon High Line
| Others |
| NHL | Never Hungry League
| Others |
| NHL | New Hockey Lamination
| Others |
| NHL | New Hockey Life
| Others |
| NHL | New Holland
| Others |
| NHL | Nice Happy Leisure
| Others |
| NHL | No Heavy Legs
| Others |
| NHL | No Hell Like
| Others |
| NHL | No Hit League
| Others |
| NHL | No Hitting League
| Others |
| NHL | No Hockey League
| Others |
| NHL | No Hockey Love
| Others |
| NHL | No Home for Logic
| Others |
| NHL | No Home Life
| Others |
| NHL | No Honour Left
| Others |
| NHL | No Hope League
| Others |
| NHL | No Humbug League
| Others |
| NHL | No Humor League
| Others |
| NHL | Non Hodgkin Lymphoma
| Others |
| NHL | Non Hodgkin's Lymphoma
| Others |
| NHL | Non Hodgkins Lymphoma
| Others |
| NHL | Non-Hodgkin's Lymphoma
| Others |
| NHL | Nonexistant Hockey League
| Others |
| NHL | Noordelijke Hogeschool Leeuwarden
| Others |
| NHL | Not Happening Lately
| Others |
| NHL | Not Having Luck
| Others |
| NHL | Not Here Lately
| Others |
| NHL | Not Here Long
| Others |
| NHL | Not Home For Long
| Others |
| NHL | Notekeu Hockey League
| Others |
| NHL | Nstraight Hwhite Lguys
| Others |