Práxedes Mariano Mateo Sagasta y Escolar (21 July 1825 – 5 January 1903) was a Spanish civil engineer and politician who served as Prime Minister on eight occasions between 1870 and 1902—always in charge of the Liberal Party—as part of the turno pacifico, alternating with the Conservative leader Antonio Cánovas.
He was known for possessing an excellent oratorical talent.