Pedro Diez Canseco Corbacho (January 31, 1815 in Arequipa, Viceroyalty of Peru – April 3, 1893 in Chorrillos, Peru) was a Peruvian soldier and politician who served as President of Peru in 1863 and again in 1868; he also served as Interim President of Peru in 1865. 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.