Toyoyama (豊山町, Toyoyama-chō) is a town located in Nishikasugai District, Aichi Prefecture, Japan. As of 1 October 2019, the town had an estimated population of 15,630 in 6,757 households, and a population density of 2,529 persons per km². The total area of the town was 6.18 square kilometres (2.39 sq mi).