Saku may refer to: Places Saku, Nagano, a city in Japan Saku, Nagano (Minamisaku), a town in Japan Saku Parish, a rural municipality in Harju County, Estonia Saku, Estonia, a small borough in Saku Parish, Harju County, Estonia Saku Constituency, an electoral constituency in Kenya Other uses Saku (given name), a masculine Finnish given name and a feminine Japanese given name Saku Brewery, an Estonian brewery Saku, a song by the band Dir En Grey