Guillermo Prieto Pradillo (10 February 1818 – 2 March 1897) was a Mexican novelist, short-story writer, poet, chronicler, journalist, essayist, patriot and Liberal politician. According to Eladio Cortés, during his lifetime he was considered Mexico's national poet, and his political allegiance to the Mexican liberals allowed him to serve as Minister of Finance and Minister of Foreign Affairs under different administrations.