| Acronym | Definition |
|---|
| IAVS➣International Association for Vegetation Science |
| IAVS➣Irish Anti-Vivisection Society (Wicklow, Ireland) |
| IAVS➣International Association for Visual Semiotics |
| IAVS➣Integrated Aqua-Vegiculture System |
| IAVS➣Institut pour l'Application et la Vulgarisation des Sciences (French: Institute of Applications and Science Popularization; Burkina Faso) |