| Abbreviation | Definition |
|---|---|
| AHN | Archivo Hist??rico Nacional |
| AHN | Archivo Histórico Nacional |
| AHN | Asian Highway Network |
| AHO | Acute Hematogenous Osteomyelitis |
| AHO | Administrative Hearings Office |
| AHO | Albright Hereditary Osteodystrophy |
| AHO | Alcohol Hash Oil |
| AHO | Allies for a Healthier Oregon |
| AHO | ALWAYS Headlamp On |
| AHO | Amazing Humanitarian Organisation |
| AHO | Ambassadors of Hope and Opportunity |
| AHO | Annual Hurricane Occurrence |
| AHO | Arigata Hogetive Online |
| AHO | Association of Holocaust Organizations |
| AHO | Athlete Health Organization |
| AHO | Automatic Headlamp On |
| AHO | Automatic Headlight On |
| AHO | Automatic Headlights On |
| AHOA | Alliance Hall Of Allentown |
| AHOC | Anti Huner and Opportunity Corps |