Kikuyu Constituency is an electoral constituency in Kenya. It is one of the constituencies in Kiambu County. The constituency was established for the 1963 elections. From 1988 elections to 2002 elections it was known as Kabete Constituency. With the new demarcation of constituencies by the Independent Electoral and Boundaries Commission (IEBC), the constituency was split into two and now we have Kikuyu Constituency and Kabete Constituency.

According to latest census (2009) it has total Population count of 125,402. Out of this number; Males -61,184 and Females-64,218

It is home to some of the most popular institutions in the country. Among them are the Alliance boys and girls Schools which are known for their outstanding performances in the National Examinations.

The constituency as a whole covers 175.20 sq.Kilometrs (approx.).it is divided into five County Assembly wards. These are Nachu, Kikuyu,Kinoo,Karai and Sigona ward.