San Juan Mixtepec (Mixtec: Ñuu Snuviko)[1] is a town and municipality in Oaxaca in south-western Mexico.

The municipality covers an area of 209.24 km², and is part of the Juxtlahuaca District of the Mixteca Region.

Its Mixtepec name, Ñuu Snuviko, translates to "place where the clouds descend.

"[1] As of 2005, the municipality had a total population of 7,423.

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