Oquitoa is a municipality in the state of Sonora in north-western Mexico.

The municipal area is 636.64 km2 with a population of 402 registered in 2000.

[1] Most of this population lives in the small municipal seat.

Neighboring municipalities are Atil to the northeast, Trincheras to the southeast, and Altar to the west.

This article about a location in the Mexican state of Sonora is a stub.