Your abbreviation search returned 35 meanings
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| Rank Abbr. | Meaning | |
|---|---|---|
| OHA | Office of Hawaiian Affairs | |
| OHA | Office of Hearings and Appeals (US federal government) | |
| OHA | Ontario Hockey Association (Canada) | |
| OHA | Open Handset Alliance | |
| OHA | Ontario Hospital Association | |
| OHA | Ohio Hospital Association | |
| OHA | Otis Historical Archives (est. 1968; National Museum of Health and Medicine) | |
| OHA | Oral History Association | |
| OHA | Overseas Housing Allowance | |
| OHA | Oakland Housing Authority (Oakland, CA) | |
| OHA | Oral Health America | |
| OHA | Office of Health Affairs | |
| OHA | Omaha Housing Authority | |
| OHA | Oncology Hematology Associates (Newburgh, IN) | |
| OHA | Office of Historic Alexandria (Alexandria, VA) | |
| OHA | Orkney Housing Association (UK) | |
| OHA | Odorous House Ant (insect) | |
| OHA | Oakland Heritage Alliance (Oakland, CA) | |
| OHA | Orlando Housing Authority | |
| OHA | Ontario Horticultural Association (Canada) | |
| OHA | Oak Hill Academy | |
| OHA | Ontario Homeopathic Association (Canada) | |
| OHA | Oklahoma Heritage Association | |
| OHA | Oral Hypoglycaemic Agent | |
| OHA | Old Harveians' Association (UK; alumni group) | |
| OHA | Ontario Health Association (Canada) | |
| OHA | Outdoor Household Articles | |
| OHA | Occupational Health Assessment (NIOSH) | |
| OHA | Ocala Housing Authority | |
| OHA | Operations Hazard Analysis | |
| OHA | Octavia Hill Association, Inc. | |
| OHA | Organization for Humanitarian Assistance | |
| OHA | O'Hara Hall (University of Scranton) | |
| OHA | Operating/Operational Hazard Analysis | |
| OHA | Ohio Halfway House Association (now Ohio Community Corrections Association) | |
Note: We have 102 other definitions for OHA in our Acronym Attic