| Acronym | Definition |
|---|
| OMH➣Oh My Heavens |
| OMH➣Oh My Heck |
| OMH➣Outpatient Mental Health (various locations) |
| OMH➣Office of Mental Health |
| OMH➣Oh My Hemmings |
| OMH➣Old Mother Hubbard |
| OMH➣Office of Minority Health |
| OMH➣Orange County (airport code, VA) |
| OMH➣Oconee Memorial Hospital (Seneca, SC) |
| OMH➣On My Honor |
| OMH➣Open Market Handset (telecommunications) |
| OMH➣Old Meeting House (various organizations) |
| OMH➣Oh My Hell |
| OMH➣Office Municipal d'Habitation |
| OMH➣Ookurayama Memorial Hospital (Japan) |
| OMH➣One Minute Halo (band) |
| OMH➣Oatmeal Milk and Honey (soap) |
| OMH➣Ohhh... My Head.. (beer rating organization) |
| OMH➣Oh My Hat |
| OMH➣Outta My Hands |