Kamirithu is a settlement in Kiambu County, within Kenya's former Central Province.

It was one of the colonial villages established during the scramble for the Kenyan "White Highlands" in the early 1900s.

The Manguo pond, a tourist bird-watching attraction, is located north of Kamirithu.

[1] The name of Kamirithu comes from the Mirithu, which means "a flat place on which rests a pool of water defiant to drought.

"[1] Kamirithu is an important place in the book Wrestling with the devil: a prison memoir, as it is the home town of its writer Ngugi wa Thiong'o.