| Abbreviation | Definition |
|---|---|
| NAIVPP | National Association of Independent Veterinary Practices and Practitioners |
| NAMA | National Agri Marketing Association |
| NANNA | Northamptonshire Animals Needing Nurturing & Adoption |
| NAPCC | National Animal Poison Control Center ( University of Illinois) |
| NAPPS | National Association of Professional Pet Sitters (USA) |
| NARP | National Association of Registered Petsitters |
| NASC | National Animal Supplement Council |
| NASDA | National Association of State Departments of Agriculture |
| NASS | National Agricultural Statistics Service |
| NAVBC | National Agricultural and Veterinary Biotechnology Centre (Ireland) |
| NAVCA | North American Veterinary College Administrators |
| NAVLE | North American Veterinary Licensing Exam |
| NAVLE | North American Veterinary Licensing Examination |
| NAVP | National Association of Veterinary Physiotherapists |
| NAVS | National Anti-Vivisection Society |
| NAVTA | National Association for Veterinary Technicians in America |
| NAVTA | National Association of Veterinary Technicians in America |
| NAVTA | National Association of Veterinary Technology in America |
| NAVTA | North American Veterinary Technician Association |
| NAWAD | National Assembly for Wales Agriculture Department |