Protectorate of San Martín

Regime of Free Departments
Régimen de los Departamentos Libres (Spanish)
1821–1822
Motto: Renació el sol del Perú
(Spanish for 'The sun of Peru was reborn')
Anthem: "Himno Nacional del Perú" (Spanish)
"National Anthem of Peru"
  Protectorate of Peru
  Territories controlled and administered
  Territorial claims
CapitalLima
Common languagesSpanish
Religion
Roman Catholic
Demonym(s)Peruvian
GovernmentProtectorate of the United Provinces of the Río de la Plata
Protector of Peru 
 July 28, 1821  September 20, 1822
José de San Martín
Historical eraBeginnings of the Republic
12 February 1821
28 July 1821
 Provisional statute
8 October 1821
 Protector of Peru
3 August 1821
26 July 1822
20 September 1822
21 September 1822
Preceded by
Succeeded by
Viceroyalty of Peru
Liberating Expedition
Peruvian Republic

The Protectorate of Peru (Spanish: Protectorado del Perú), also known as the Protectorate of San Martín (Spanish: Protectorado de San Martín), was a protectorate created in 1821 in present-day Peru after its declaration of independence from the Spanish Empire. The protectorate existed for one year and 17 days under the rule of José de San Martín and Argentina.