The Omitlán River is a river of Mexico.
See also List of rivers of Mexico
References Atlas of Mexico, 1975 <https://web.archive.org/web/20120908140150/http://lib.utexas.edu/maps/atlas_mexico/river_basins.jpg>. The Prentice Hall American World Atlas, 1984. Rand McNally, The New International Atlas, 1993.