San Jacinto Tlacotepec is a town and municipality in Oaxaca in south-western Mexico.

The municipality covers an area of 233.5 km².

It is part of the Sola de Vega District in the Sierra Sur Region.

[1] The local language, Zenzontepec Chatino, is also spoken in the municipality of Santa Cruz Zenzontepec and in the former municipality of Santa María Tlapanalquiahuitl.

[2][3] This article about a location in the Mexican state of Oaxaca is a stub.