| Pedro Diez Canseco | |
| Order: | 15th and 18th |
| Office: | President of Peru |
| Order3: | Interim President of Peru |
| Term Start: | April 9, 1863 |
| Term End: | August 5, 1863 |
| Term Start2: | January 7, 1868 |
| Term End2: | August 2, 1868 |
| Term Start3: | November 8, 1865 |
| Term End3: | November 28, 1865 |
| Predecessor: | Ramón Castilla |
| Successor: | Juan Antonio Pezet |
| Predecessor2: | Mariano Ignacio Prado |
| Successor2: | José Balta |
| Successor3: | Mariano Ignacio Prado |
| Predecessor3: | Juan Antonio Pezet |
| Birth Date: | January 31, 1815 |
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.[1] He was the brother of Francisco Diez Canseco, and a great-grandfather of Fernando Belaunde Terry.