| Acronym | Definition |
|---|
| PRH➣Patentti-ja Rekisterihallitus (Finnish: National Board of Patents and Registration) |
| PRH➣Pacific Region Headquarters |
| PRH➣Personality and Human Relationships |
| PRH➣Prolactin-Releasing Hormone (also seen as PRLH) |
| PRH➣Personnalité et Relations Humaines (Edmonton, Alberta, Canada) |
| PRH➣People's Republic of Haven (Honor Harrington science fiction novels) |
| PRH➣Primary and Rural Health (California) |
| PRH➣Policy Rating History (insurance) |
| PRH➣Phase Retrieval Holography |
| PRH➣Purely Right-Handed (metamaterials) |