HVO
| Acronym | Definition |
|---|---|
| HVO | Hawaiian Volcano Observatory (USGS) |
| HVO | Hydrotreated Vegetable Oil |
| HVO | Health Volunteers Overseas |
| HVO | Hydrogenated Vegetable Oil (solid fat) |
| HVO | Høgskolen I Volda (college in Volda, Norway) |
| HVO | Hrvatsko Vijeæe Obrane (Croatian Defence Council, Bosnia) |
| HVO | Hyatt Vacation Ownership (Global Hyatt Corp.) |