| Abbreviation | Definition |
|---|---|
| ACHF | African Christian Hospitals Foundation |
| ACHF | Aircraft Carrier Hornet Foundation |
| ACHF | Alberta Community HIV Fund |
| ACHF | American College Health Foundation |
| ACHF | Ames Coalition for Housing Fairness |
| ACHF | Athens-Clarke Heritage Foundation |
| ACHN | America's Children Hunger Network |
| ACHP | African Cultural Heritage Project |
| ACHP | Anthropological Committee For Homeless People |
| ACHR | Albanian Center For Human Rights |
| ACHS | Asociaci??n CHilena de Seguridad |
| ACHS | Asociación CHilena de Seguridad |
| ACI | Association of Commerce and Industry |
| ACI | Awana Clubs International |
| ACI | The American Conference Institute |
| ACIA | Argus Center for Information Architecture |
| ACICS | American Council for Independent Colleges and Schools |
| ACIM | American Committee on Italian Migration |
| ACIS | Association for Contemporary Iberian Studies |
| ACLCA | American Center for Life Cycle Assessment |