Asunción Ocotlán (ah-soon-see-ON o-kot-LAHN), town (1990 pop. 3,614), in S central Oaxaca, Mexico, 23 mi/37 km S of Oaxaca de Juárez, and 3 mi/5 km SW of Ocotlán de Morelos; elev. 4,921 ft/1,500 m. Agr. (corn, beans, fruits; livestock); woods; mezcal processing. A Zapotec community.