This article is a list of military conflicts in which Peru played an important role spanning from 1532 to the present.
| Conflict | Peru and Peruvian Allies | War against | Results | Head of State
of Peru |
|---|
| Peruvian intervention in Bolivia of 1828 | {{flag|Peru|1825|name=Republic of Peru}} | {{flag|Gran Colombia|name=Republic of Colombia}}
{{flagicon image|Flag of Bolivia (1826-1851).svg|name=Republic of Bolivia}}Bolivia | Peruvian Victory- Treaty of Piquiza. Withdrawal of troops from the Gran Colombia of Bolivia. Term of Bolivarian influence in Bolivia.
| Jose de la Mar
Agustin Gamarra |
Gran Colombia – Peru War
(1828 - 1829) | {{flag|Peru|1825|name=Republic of Peru}} | {{flag|Gran Colombia|name=Republic of Colombia}}
{{flagicon image|Flag of Bolivia (1826-1851).svg|name=Republic of Bolivia}}Bolivia | Peruvian Victory- Signing of the Larrea-Gual Treaty. Naval victory of Peru. Land campaign unfinished and without decisive results. Dissolution of the Great Colombia.
- Peru recognized the Colombian annexation of Guayaquil and Colombia recognized implicitly Peruvian sovereignty of Tumbes, Jaen and Maynas
| Jose de la Mar
Agustin Gamarra |
War of the Confederation
(1836 - 1839) | {{flagicon|Peru-Bolivian Confederation}} Peru-Bolivian Confederation | {{flagicon|Chile}} Chile
{{flagicon|Peru|1825|}} Peruvian dissidents
{{flagicon|Argentine Confederation}} Argentina | United Restorative Army victory- Dissolution of the Confederation.
| Various |
|
Peru - Bolivia War
(1841) | {{flag|Peru|1825|name=Republic of Peru}} | {{flag|Bolivia}} | Cease-fire- Treaty of Puno. Bolivian expulsion from southern Peru
- Peruvian army expelled from Bolivia
- Bolivian army expelled from Peru'
| Agustin Gamarra |
Ecuadorian–Peruvian territorial dispute of 1857–60
| {{flag|Peru|1825|name=Republic of Peru}} | {{flag|Ecuador|1845|name=Republic of Ecuador}} | Military Victory of Perú- Subscription of the Treaty of Mapasingue.
| Ramon Castilla |
Chincha Islands War
(1864 - 1866) | {{flag|Peru|1825}}
{{flag|Chile}}
Joined in 1866:
{{flag|Ecuador|civil}}
{{flag|Bolivia}} | {{flagicon|Spain|1785}} Spain | Victory Aliada- Peruvian Independence recognized by Spain (1879)
| Mariano Ignacio Prado |
War of the Pacific
(1879 - 1883) | {{flag|Peru|1825}}
{{flag|Bolivia}} | {{flag|Chile}} | Defeat- Chilean forces capture Lima
- Chilean forces occupy Tacna and Arica
- Tacna reincorporated to Peru in 1929.
- Bolivia loses its access to the sea
| Mariano Ignacio Prado
es:Luis La Puerta de Mendoza
Nicolás de Piérola
Francisco García Calderón
Lizardo Montero Flores
Miguel Iglesias |
Conflict of the Pedrera
(1911) | {{flag|Peru}} | {{flag|Colombia}} | Peruvian Victory- The Colombian troops were evicted from La Pedrera by Peruvian troops
| Augusto B. Leguía |
Colombia–Peru War
(1932 - 1933) | {{flag|Peru}} | {{flag|Colombia}} | Statu quo ante bellum- Ratification of the Solomon-Lozano Treaty
| Luis Miguel Sánchez Cerro
Óscar R. Benavides |
Ecuadorian–Peruvian War
(1941) | {{flag|Peru}} | {{flag|Ecuador}} | Peruvian Victory- Signing of the Rio de Janeiro Protocol
| Manuel Prado Ugarteche |
Paquisha War
(1981) | {{flag|Peru}} | {{flag|Ecuador}} | Peruvian Victory- Statu Quo ante bellum of 1942
| Fernando Belaúnde Terry |
War against Terrorism
(1980–2017) | {{flag|Peru}} | {{flagicon image|Flag of Sendero Luminoso.svg}} Shining Path
{{flagicon image|Flag of the MRTA.svg}} MRTA (1982–1997) | Peruvian Victory- Sendero Luminoso last groups still active on high jungle
| Fernando Belaúnde Terry
Alan García
Alberto Fujimori
Valentín Paniagua
Alejandro Toledo
Ollanta Humala
Pedro Pablo Kuczynski |
Cenepa War
(1995) | {{flag|Peru}} | {{flag|Ecuador}} | Statu quo ante bellum - Acta of Brasilia
- The border was closed, as indicated in the Rio de Janeiro Protocol of 1942, and the end of all differences between the two nations was declared
| Alberto Fujimori |
|
{{South America topic|List of wars involving|title=Lists of wars involving South American countries}}{{Peru year nav}}{{mil-hist-stub}}{{Peru-hist-stub}}