| Acronym | Definition |
|---|
| OAHS➣One Arm Handstand |
| OAHS➣Oshkosh Area Humane Society (Oshkosh, WI) |
| OAHS➣Oliver Ames High School (North Easton, MA) |
| OAHS➣Ortonville Area Health Services (Ortonville, MN) |
| OAHS➣Oxfordshire Architectural and Historical Society (UK) |
| OAHS➣Osan American High School (South Korea) |
| OAHS➣Oxford Area High School (Pennsylvania) |
| OAHS➣One-and-a-Half Syndrome (neurology) |