| Acronym | Definition |
|---|
| WHSI➣Wake Health Services Inc. (Wake County, NC) |
| WHSI➣Welsh Heritage Schools Initiative (est. 1990; UK) |
| WHSI➣Worcester Healthy Start Initiative (Worchester, MA) |
| WHSI➣Wound Healing: Science and Industry (meeting) |
| WHSI➣Wildlife Habitat Suitability Index |