San Juan Lalana is a town and municipality in Oaxaca in south-western Mexico.

The municipality covers an area of 454.19 km².

It is part of the Choapam District in the south of the Papaloapan Region.

As of 2005, the municipality had a total population of 11,385.

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