OAHS
| 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) |