| Abbreviation | Definition |
|---|---|
| ARCH | Analytics Retirement Compensation Health |
| ARCHE | Alberta Research Centre for Health Evidence |
| ARCHER | At Risk Chemical Health Education and Resiliency |
| ARHC | Advanced Reproductive Health Centers |
| ARHC | Asia Region Health Cluster |
| ARHC | Asia Regional Health Cluster |
| ARHC | Association of Refugee Health Coordinators |
| ARHJ | Advocates for Reproductive Health Justice |
| ARHS | Albemarle Regional Health Services |
| ARHS | Appalachian Regional Healthcare System |
| ARSH | Adolescent Reproductive Sexual Health |
| ARTH | Action Research and Training for Health |
| AS | Angloplasty and Stenting |
| ASDH | Association for Senior Day Health |
| ASH | Advanced Scientific Health |
| ASHA | Accredited Social Health Activist |
| ASHA | Accredited Social Health Activist? |
| ASHA | Accredited Social Health Activist¡ |
| ASHA | Associated Social Health Activists |
| ASHA | Awareness Solidarity and Health for All |