RHCA
| Acronym | Definition |
|---|---|
| RHCA | Red Hat Certified Architect |
| RHCA | Retiree Health Care Authority (New Mexico) |
| RHCA | Reciprocal Health Care Agreement (various countries) |
| RHCA | Red Hat Content Accelerator (web server) |
| RHCA | Riparian Habitat Conservation Area (US Forestry Service) |
| RHCA | Red Hook Civic Association (Brooklyn, NY) |