Saku
Saku is the name
- a city in the Japanese prefecture of Nagano, see Saku (Nagano)
- a former small town in the district of Minamisaku in the same Japanese prefecture, see Saku (Minamisaku) (incorporated into Sakuho (Nagano) )
- of a former county in the same prefecture, see Saku-gun (Nagano)
- a rural community in the Estonian district of Harju, see Saku (Estonia)
- an Estonian brewery, see Saku (brewery)
Saku is a family name for the following people:
- Dominikus Saku (* 1960), Indonesian priest, Bishop of Atambua