David (Daudi) Mwiraria (3 September 1938 – 13 April 2017) was a Kenyan politician. He served as the Minister for Environment and Natural Resources and Finance Minister of Kenya until December 2007 when Kenya held its General Elections. He ran for re election on a Party of National Unity ticket. He was defeated by Silas Muriuki, who was running on a Mazingira Green Party of Kenya ticket.