| Acronym | Definition |
|---|
| RHM | Rasmey Hang Meas (Cambodian media production company) |
| RHM | Red Head Monday |
| RHM | Rank Hovis McDougall (UK company) |
| RHM | Rhythm Heaven Megamix (gaming) |
| RHM | Right Hand Man (band) |
| RHM | Rheinisches Museum für Philologie (journal) |
| RHM | Red Hot Mama |
| RHM | Relative Humidity Module (sensor) |
| RHM | Right-Handed Media |
| RHM | Remains Handling Model |
| RHM | Registered Housing Manager |
| RHM | Routine Health Maintenance |
| RHM | Red Hub Module |
| RHM | Remote Hire Man (freelance job website) |
| RHM | Recognized Hazardous Material |
| RHM | Renewed Heart Ministries |
| RHM | Ressources Humaines Médiation (French: Human Resources Mediation) |
| RHM | Red Hot Monogamy |
| RHM | Ressorts Haut-Marnais (French spring production company) |