Pedro Diez Canseco Corbacho (January 31, 1815 in Arequipa, Peru – April 3, 1893 in Chorrillos, Peru) was a Peruvian soldier and politician who served as Interim President of Peru on three occasions: 1863, 1865 and 1868.
He served as the second vice president from October 1862 to 1863.
He was the brother of Francisco Diez Canseco, and a great-grandfather of Fernando Belaunde Terry.