| Viladecavalls | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Province of Barcelona#Spain |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 41.5578°N 1.9558°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Barcelona |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Vallès Occidental |
| Leader Title: | Mayor |
| Leader Name: | Cesca Berenguer Priego (2015)[1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 20.1 |
| Elevation M: | 274 |
| Population Density Km2: | auto |
| Population Demonym: | Vilacavallenc |
| Postal Code Type: | Postal code |
| Postal Code: | 08232 |
Viladecavalls (in Catalan; Valencian pronounced as /ˌbiləðəkəˈβaʎs/) is a municipality in the comarca of the Vallès Occidental in Catalonia, north-western Spain.