| Abbreviation | Definition |
|---|---|
| ARCH | Access Received Closer to Home&it |
| ARCH | Access Received Closer to Home…it |
| ARCH | Accountability Resource Center Hawaii |
| ARCH | Active Reflection Compensation HyPCoS |
| ARCH | Adult Resources for Care and Help |
| ARCH | Ancient Rainbow Conscious Healing |
| ARCH | Arches |
| ARCH | Area Residents Caring and Helping |
| ARCH | Association for the Rights of Citizens with |
| ARCH | Association for the Rights of Citizens with handicaps |
| ARCH | Austin Resource Center for the Homeless |
| ARCH | Auto Regressive Conditionally Heteroscedastic |
| ARCH | The Alliance For Reconcilliation And Community Healing |
| ARCHDIOCESE | Archdiocesan |
| ARCHEBACTERIA | archebacterium |
| ARCHI | Architectures |
| ARCHIE | A Reliable Computer Human Interaction Environment |
| ARCHIE | Armed Robot For Control Of Highly Inflammatory Events |
| ARCHITECT | Architecture |
| ARCHIVE | Archived |