Silacayoápam is a town and municipality in Oaxaca in south-western Mexico.

Once part of the Coixtlahuaca state, after the Spanish conquest the town was officially founded in 1692.

As of 2005, the municipality had a total population of 6,486 of whom 1,392 spoke an indigenous language, living in 1,532 households.

There is some artisan production of mezcal, brandy, woven sisal, palm and ceramics.

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