Toyooka (豊丘村, Toyooka-mura) is a village located in Nagano Prefecture, Japan.

The total area of the village is 85.2 square kilometres (32.9 sq mi).

Toyooka is located in the Ina Valley in mountainous southern of Nagano Prefecture.

[2] Per Japanese census data,[3] the population of Toyooka has decreased gradually over the past 70 years.

Ruins from the Japanese Paleolithic, Jomon and Kofun periods indicate continuous settlement for thousands of years.