| Ullastrell | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Province of Barcelona#Spain |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 41.5333°N 58°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Barcelona |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Vallès Occidental |
| Leader Title: | Mayor |
| Leader Name: | Joan Ballbè Herrero (2015)[1] |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 7.3 |
| Population Density Km2: | auto |
Ullastrell (in Catalan; Valencian pronounced as /uʎəsˈtɾeʎ/) is a village in the province of Barcelona and autonomous community of Catalonia, Spain. The population in 2014 was 2,056.[2]