Agustín Guillermo Ganoza y Cavero (11 January 1855 — 23 March 1926) was a Peruvian doctor and politician. He was the mayor of Trujillo from 1886 to 1890, President of the Senate from 1908 to 1909, president of the Council of Ministers and Minister of Justice from 1911 to 1912. Politically educated in civilism, he ended up being a supporter of president Augusto B. Leguia. He occupied the position of Senator of the Republic for 30 consecutive years.
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