| Abbreviation | Definition |
|---|---|
| NACM | NACA (National Animal Care & Control Association) Courser of Merit |
| NADAC | North American Dog Agility Council |
| NADRA | North American Dog Racing Association |
| NAGDA | North American Gun Dog Association |
| NAHRA | North American Hunting Retriever Association |
| NAJ | Novice Agility Jumper |
| NASDA | North Alabama Search Dog Association |
| NATCh | NACA (National Animal Care Control Association) Agility Trial CHampion |
| NATCh | NACA (National Animal Care & Control Association) Agility Trial CHampion |
| NAVD | Native American Village Dog |
| NB | New Breed |
| NBC | New Breed and Color |
| NCC | NACA (National Animal Care Control Association) Coursing Champion |
| NCC | NACA (National Animal Care & Control Association) Coursing Champion |
| NCCR | Northern Chautauqua Canine Rescue |
| NCNE | Newfoundland Club of New England |
| NCSR | North Carolina Schnauzer Rescue |
| NDD | Novice Draft Dog |
| NDSD | National Disaster Search Dog |
| NDTC | Nashville Dog Training Club |