Montellano is a municipality in the province of Seville, in the autonomous community of Andalusia, southern Spain. It lies within the Seville metropolitan area's sphere of influence, in the Guadalquivir river valley region of the province.
According to the 2011 census conducted by the Instituto Nacional de Estadística (INE), Montellano had a population of 7,179 inhabitants. The town is one of a number of small municipalities that make up the densely settled countryside around Seville.
Like other settlements in the province, Montellano's civic identity is tied to the Andalusian administrative framework, with municipal governance centered on the town itself. Its population figure places it among the smaller municipalities of Seville province, which contains both the region's largest city and numerous rural towns of comparable size.