San Baltazar Yatzachi el Bajo

San Baltazar Yatzachi el Bajo is a town and municipality in Oaxaca in south-western Mexico. The municipality covers an area of 48.48 km2. This small town is located in the valley on the side of a mountain. This mountain is connected to Yatzachi el Alto. It is part of the Villa Alta District in the center of the Sierra Norte Region.

As of 2010, the municipality had a total population of about 50–80.