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

The municipality covers an area of 595.81 km².

It is part of the Tuxtepec District of the Papaloapan Region.

As of 2005, the municipality had a total population of 19,871.

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