| NAMBUCCA SHIRE COUNCIL | Government - Local | Macksville | 2447 | NSW |
| Namoi Catchment Management Authority | Government - State | Gunnedah | 2380 | NSW |
| NANNUP, SHIRE OF | Government - Local | Nannup | 6275 | WA |
| NARACOORTE LUCINDALE COUNCIL | Government - Local | Naracoorte | 5271 | SA |
| NAREMBEEN, SHIRE OF | Government - Local | Narembeen | 6369 | WA |
| Narrabri Shire Council | Community Services, Government - Local, Gove... | Narrabri | 2390 | NSW |
| Narrandera Shire Council | Government - Local | Narrandera | 2700 | NSW |
| Narrogin Town Council | Government - Local, Western Australia | Narrogin | 6312 | WA |
| NARROGIN, SHIRE OF | Government - Local | Narrogin | 6312 | WA |
| Narromine Local Aboriginal Land Counc... | Aboriginal Centres and Services, Business Se... | Narromine | 2821 | NSW |
| NARROMINE SHIRE COUNCIL | Government - Local | Narromine | 2821 | NSW |
| NATIONAL ARCHIVES OF AUSTRALIA | Government - Australian | Canberra BC | 2610 | ACT |
| NATIONAL AUSTRALIA DAY COUNCIL | Government - Australian | Parkes | 2600 | ACT |
| National Capital Authority | Government - Australian, Commonwealth | Parkes | 2600 | ACT |
| NATIONAL CERVICAL SCREENING PROGRAM | Government - Australian | Canberra | 2601 | ACT |
| NATIONAL COMPETITION COUNCIL | Government - Australian | Melbourne | 3000 | VIC |
| NATIONAL FILM AND SOUND ARCHIVE | Government - Australian | Acton | 2601 | ACT |
| National Film and Sound Archive of Au... | Government - Australian | Acton | 2601 | ACT |
| NATIONAL GALLERY OF AUSTRALIA | Government - Australian | Parkes | 2600 | ACT |
| National Gallery Of Victoria | Government - State | Melbourne | 8004 | VIC |
