| Acronym | Definition |
|---|
| OHM | Ohm Meter |
| OHM | Overhaul Manual (various companies) |
| OHM | Oxford Handbook of Memory |
| OHM | Offshore Hydrocarbon Mapping |
| OHM | One Hot Minute (Red Hot Chili Peppers album) |
| OHM | Office de Haute Montagne (French) |
| OHM | Office of Hazardous Materials (US DOE) |
| OHM | Office for Health Management |
| OHM | One Hot Mama (maternity clothes) |
| OHM | Only House Music |
| OHM | Observatoire Hydro-météorologique Méditerranéen (French) |
| OHM | Open Heart Movement |
| OHM | Operation Hero Miles (frequent flyer miles) |
| OHM | Onderwijsbureau Hollands Midden (Dutch) |
| OHM | Opérations Hôtelières et Management (French) |
| OHM | Ordered Hypothesis Machines |
| OHM | Operation Happy Monkey (band) |