| Acronym | Definition |
|---|
| RHAS➣Red Hat Application Server |
| RHAS➣Red Hat Advanced Server |
| RHAS➣Royal Health Awareness Society (public health; Amman, Jordan) |
| RHAS➣Workshop on Requirements for High Assurance Systems (software engineering) |
| RHAS➣Rod Hyman Asset Services (Australia) |
| RHAS➣Red Hat Application Stack (software) |
| RHAS➣Resonance Health Analysis Services Pty. Ltd. (Perth, Western Australia, Australia) |