Joseph Jama Ole Lenku (born 20 October 1970) is a Kenyan politician who is serving as the second Governor of Kajiado County after winning in the Kenyan General Elections on 8 August 2017 and retained his seat in the 2022 General elections held on 8 August. Lenku was Cabinet Secretary for Interior and Coordination of National Government from 2013 to 2014. Following repeated Al-Shabaab attacks in Kenya amongst other security lapses, Ole Lenku was dropped from his post on 2 December 2014, with Kenyatta nominating Joseph Ole Nkaissery to replace him.