| Acronym | Definition |
|---|
| AOH➣Ancient Order of Hibernians |
| AOH➣Always on Hand |
| AOH➣After Office Hours |
| AOH➣Alliance of Heroes (gaming) |
| AOH➣Affidavit of Heirship (estate law; various locations) |
| AOH➣Astronomers of Humboldt (California) |
| AOH➣Angels of Hell (gaming clan) |
| AOH➣Annals of Occupational Hygiene (journal) |
| AOH➣Anatomy of Habit (band) |
| AOH➣Accepted on Hire |
| AOH➣Assembly Operations Handbook (US NASA) |
| AOH➣Annual Operating Hour (energy use) |
| AOH➣All-optical histology |
| AOH➣Association Ostéopathique de l'Hérault (French: Osteopathic Association of Herault; Herault, France) |