Kiambu Town is a town in Kiambu County, Central Province, Kenya.  Other proximate towns are Ruiru (east of Kiambu), Gatundu (NE), Limuru (NW) and Kabete (SW).

The town is surrounded by hilly Kikuyu farmland although is under urbanisation as Nairobi is growing fast and more people settle in neighbouring towns. Kiambu is seen as a future anchor to the capital city Nairobi which is undergoing rapid development with limited space for growth.

Apart from central Kiambu, there are villages such as Ndumberi, Riabai, Kihingo, Ngegu and Kangoya among others. The town has an elected council with a Mayor and a fully fledged town council, Town clerk, treasurer among other elected officials. Kiambu is also center of Kiambaa, an administrative division and electoral constituency of Kiambu District.

Kiambu Club, opened in 1916, is one of the oldest golf courses in Kenya. The club has also other facilities like tennis courts and swimming pools