Manuel Ignacio de Vivanco Iturralde (June 15 1806 - September 16 1873[1]) was a Peruvian politician and military leader who held the presidency of Peru from 1843 to 1844. He was born in Valparaíso, Chile. He led part of the Peruvian forces in the campaign against the reunification of Peru-Bolivian Confederacy.
During the second administration of Agustín Gamarra, he was appointed prefect of Arequipa. In 1843, he rebelled against Juan Francisco de Vidal, but was defeated and fled to Bolivia. He returned to Peru then and subsequently became president in 1843 under the title "Supreme Director of the Republic".
In the name of president Juan Antonio Pezet he signed the Vivanco–Pareja Treaty on 27 January 1865, which was one of causes of Chincha Islands War. From April to September 1865, he served as Prime Minister of Peru.
| Political offices | ||
|---|---|---|
| Preceded by Justo Figuerola |
President of Peru 1843 – 1844 |
Succeeded by Ramón Castilla |
| Preceded by José Manuel Costas Arce |
Prime Minister of Peru April – September 1865 |
Succeeded by Pedro José Calderón |