| Term | Full Form | Category |
|---|---|---|
| OCMH | Office Chief of Military History | Others |
| OCMH | Office of the Chief of Military History | Others |
| OCMH | Ohio Commission on Minority Health | Others |
| OCMH | Oneida Community Mansion House | Others |
| OCMH | Online Cross modal Hashing | Others |
| OCMH | Ontario County Mental Health | Others |
| OCMH | Osborne County Memorial Hospital | Others |
| OCMH | Outpatient Center for Mental Health | Others |
| OCMH | Oxford Centre for Medieval History | Others |