Peter Kiilu (died 19 May 2020) was a Kenyan politician. In the 2007 Kenyan parliamentary election, he was elected to the National Assembly of Kenya as a member of the Orange Democratic Movement-Kenya (later the Wiper Democratic Movement) representing the Makueni Constituency. In the 2013 Kenyan general election, he ran on the National Rainbow Coalition (NARC) ticket. Daniel K. Maanzo defeated him.