| OWH | Office of Women's Health
| Others |
| OWH | Office on Women's Health
| Others |
| OWH | Office on Womens Health
| Others |
| OWH | Old Weird Herald
| Others |
| OWH | Old Weird Herald's Slot Car Racing
| Others |
| OWH | Old Weird Heralds
| Others |
| OWH | Oliver Wendell Holmes
| Others |
| OWH | Oliver Wendell Holmes MD 1809-1894
| Others |
| OWH | Omaha World Herald
| Others |
| OWH | Open World House
| Others |
| OWH | Operation Welcome Home
| Others |
| OWH | Operation Write Home
| Others |
| OWH | Ottolino Winters Huebner
| Others |
| OWH | Outreach for World Hope
| Others |
| OWH | Overcomers With Hope
| Others |
| OWH | Overtime Work Hours
| Others |