| Acronym | Definition |
|---|
| OCHM➣Ontario College of Homeopathic Medicine (Canada) |
| OCHM➣Orthogonal Code-Hopping Multiplexing |
| OCHM➣Ocean City Historical Museum (Ocean City, NJ) |
| OCHM➣Orange County Historical Museum (Hillsborough, NC) |
| OCHM➣Oakland Community Housing Management (Oakland, CA) |