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

The most important settlements, besides the municipal seat, are Los Hoyos, Jecori, Ojo de Agua, Kilometro 5 and Teonadepa.

Boundaries are with Nacozari de García in the north, Huásabas in the east, Moctezuma in the south, Aconchi in the southwest, Huépac and Banámichi in the west, and Arizpe in the northeast.

In 1643 the area was visited by the Italian priest Tomás Basilio, and in 1643 the Jesuit missionary Egidio Monteffio founded the settlement with the name of Nuestra Señora de la Asunción de Cumpas.

[citation needed] This article about a location in the Mexican state of Sonora is a stub.