Boaco (Spanish pronunciation: [boˈa.ko]) is a department in Nicaragua.

It was formed in 1938 out of part of Chontales Department.

It covers an area of 4,177 km2 (1,613 sq mi) and has a population of 186,284 (2021 estimate).

Indigenous peoples are the Nahuas and Sumos.

This Nicaragua location article is a stub.