| Official Name: | San Javier |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Sonora |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | San Javier |
| Leader Title: | Mayor |
| Established Title: | Founded |
| Established Date: | 1706 |
| Population Blank1 Title: | Municipality |
| Population Blank2 Title: | Demonym |
| Timezone: | Pacific (US Mountain) |
| Utc Offset: | -7 |
| Timezone Dst: | No DST |
| Utc Offset Dst: | -7 |
| Postal Code Type: | Postal code |
San Javier is a town in San Javier Municipality, in the Mexican state of Sonora. The elevation is 650 meters.
The municipality is located in the extreme southwest of the Sierra El Aliso, west of the Yaqui River.Most of the small population is involved in animal raising and subsistence farming.