| Sant Mateu de Bages | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Province of Barcelona#Spain |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 41.797°N 1.733°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Barcelona |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Bages |
| Leader Title: | Mayor |
| Leader Name: | Pere Ribera Guals (2015)[1] |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 102.9 |
| Population Density Km2: | auto |
Sant Mateu de Bages (in Catalan; Valencian pronounced as /ˈsam məˈtew ðə ˈβaʒəs/) is a village in the comarca of Bages in province of Barcelona and autonomous community of Catalonia, Spain. The municipality covers an area of and the population in 2014 was 644.[2]