| Term | Full Form | Category |
|---|---|---|
| OHNA | Oakland Hills Neighborhood Association | Others |
| OHNA | Occupational Health Nurse Administrator | Others |
| OHNA | Oral Health Needs Assessment | Others |
| OHNA | Oral Health Needs Assessments | Others |
| OHNA | Orange Heights Neighborhood Association | Others |
| OHNA | Oregon Hill Neighborhood Association | Others |
| OHNA | Oregon Holistic Nurses Association | Others |
| OHNA | Original Highlands Neighborhood Association | Others |
| OHNA | Ottawa Hills Neighborhood Association | Others |