Agustín Gamarra Messia (27 August 1785 – 18 November 1841) was a Peruvian soldier and politician, who served as the 4th and 6th President of Peru.
Gamarra was a Mestizo, being of mixed Spanish and Quechua descent. He had a military life since childhood, battling against the royalist forces. He then joined the cause of Independence as second in command after Andrés de Santa Cruz. He also participated in the Battle of Ayacucho, and was later named Chief of State. In 1825, he married Francisca ('Pancha') Zubiaga y Bernales, who Simon Bolivar crowned when she was about to put the crown on him. After the invasion of Bolivia in 1828, he was named a mariscal (marshal), a highly esteemed military officer.