| Villa Unión | |
| Settlement Type: | Locality |
| Pushpin Map: | Mexico |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Sinaloa |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Mazatlán |
| Population As Of: | 2010 |
| Population Footnotes: | [1] |
| Population Total: | 13,404 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | Pacific (US Mountain) |
| Utc Offset: | -7 |
| Coordinates: | 23.1883°N -106.2158°W |
| Postal Code Type: | Postal code |
| Postal Code: | 82210 |
| Area Code: | 669 |
Villa Unión is the second largest town in the municipality of Mazatlán, after the port of Mazatlán. It is located twenty kilometers south of the city on the banks of the Presidio River.