NDHA
| Acronym | Definition |
|---|---|
| NDHA | National Digital Heritage Archive (New Zealand) |
| NDHA | North Dakota Healthcare Association (Bismarck, ND) |
| NDHA | Nevada Dental Hygienists' Association |
| NDHA | National Dental Hygienists' Association |
| NDHA | Nebraska Dental Hygienists' Association |
| NDHA | National District Heating Association (now International District Energy Association) |
| NDHA | New Downland Housing Association (Reading, Berkshire, England, UK) |