Ikusaka (生坂村, Ikusaka-mura) is a village located in Nagano Prefecture, Japan.

The total area of the village is 39.05 square kilometres (15.08 sq mi).

The average annual rainfall is 1148 mm with September as the wettest month.

[2] Per Japanese census data,[3] the population of Ikusaka has decreased by about two-thirds over the past 60 years.

The area of present-day Ikusaka was part of ancient Shinano Province.