Poanas is a municipality in the Mexican state of Durango.

The municipal seat lies at Villa Unión.

The municipality covers an area of 1841 km2.

[2] The municipality had 61 localities, the largest of which (with 2010 populations in parentheses) were: Villa Unión (10,753), classified as urban, and Cieneguilla (1,984), San Atenógenes (La Villita) (1,844), La Joya (1,826), Orizaba (1,452), and Narciso Mendoza (1,053), classified as rural.

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