Luis Muñoz Rivera (July 17, 1859 – November 15, 1916) was a Puerto Rican poet, journalist and politician. He was a major figure in the struggle for political autonomy of Puerto Rico. In 1887, Muñoz Rivera became part of the leadership of a newly formed Autonomist Party. In 1889, he successfully ran a campaign for the position of delegate in the district of Caguas. Subsequently, Muñoz Rivera was a member of a group organized by the party to discuss proposals of autonomy with Práxedes Mateo Sagasta, who would grant Puerto Rico an autonomous government following his election. He served as Chief of the Cabinet of this government.