WHH
| 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 |