| Acronym | Definition |
|---|
| WHH➣Welthungerhilfe (est. 1962; Germany) |
| WHH➣Whatever Happened, Happened (Lost fan forum slang) |
| WHH➣William Henry Harrison (ninth US president) |
| WHH➣Weddings, Honeymoons and Holidays (wedding directory; Australia) |
| WHH➣William Harvey Hospital (UK) |
| WHH➣Welsh Hedgehog Hospital |
| WHH➣Women Headed Households |
| WHH➣Windy Hollow Hunt |
| WHH➣Wilton Hanford Hanover (Canberra, Australia; professional services company) |
| WHH➣Workplace Health Hazard (Canada) |
| WHH➣We Hug Honda |
| WHH➣Women's Health and Healing |