| Castell de Mur | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Province of Lleida#Spain Catalonia#Spain |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 42.0942°N 0.8783°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Lleida |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Pallars Jussà |
| Leader Title: | Mayor |
| Leader Name: | Josep M. Mullol Miret (2015)[1] |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 62.4 |
| Population Density Km2: | auto |
Castell de Mur is a municipality in the province of Lleida and autonomous community of Catalonia, Spain.