San Lucas Quiaviní is a town and municipality in Oaxaca in south-western Mexico.

The municipality covers an area of 58.69 km².

It is part of the Tlacolula District in the east of the Valles Centrales Region.

As of 2005, the municipality had a total population of 1,769.

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