| Onavas Municipality | |
| Pushpin Label Position: | above |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Sonora |
| Subdivision Type2: | Capital |
| Population As Of: | 2005 |
| Timezone: | Mountain Standard Time |
| Utc Offset: | -7 |
| Timezone Dst: | No DST |
| Utc Offset Dst: | -7 |
Onavas Municipality is a municipality in the Mexican state of Sonora in north-western Mexico.[1]
The municipal area is 529.48 km2 with a population of 479 registered in 2000. INEGI Most of this population lives in the small municipal seat. It is located at an elevation of 180 meters. The municipal population has been decreasing since 1980 when it was 586.
Neighboring municipalities are Soyopa to the north, Yécora to the east, Suaqui Grande to the southwest, and San Javier to the west. Onavas is crosses by the Río Yaqui, which rises in Chihuahua and flows into the Pacific Ocean