This article is about the small borough in Käru Parish, Rapla County. For other places with the same name, see Käru (disambiguation)
Käru is a small borough (Estonian: alevik) in Rapla County, Estonia. It is the administrative centre of Käru Parish.
Käru has a station on the Edelaraudtee's western route.
Käru (German: Kerro) was established as an estate in the mid-18th century. The present building was built in 1878 and designed by Riga architect Robert Pflug. It is an eclectic building with mainly neo-Renaissance elements. It was damaged during the Revolution of 1905 and also during World War II. The manor house ensemble has several well-preserved and unusual outbuildings and annexes.
Explorer Karl von Ditmar was the landowner of Käru.
Economist Ragnar Nurkse (1907–1959) was born in Käru Manor.